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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Right, I’ve tried your code, Adam, but I’m getting a syntax error.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">The error that’s being generated in the Apache logs is:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">[Thu Nov 17 15:43:24 2016] [error] [client 10.82.2.59] Can't use string ("") as an ARRAY ref while "strict refs" in use at /usr/share/eprints3/perl_lib/EPrints/MetaField/Authorid.pm line 39, <DATA>
line 960.\n<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">------------------------------------------------------------------<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">---------------- EPrints System Error ----------------------------<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">------------------------------------------------------------------<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Error in file retrieval: :Apache2 IO write: (103) Software caused connection abort at /usr/share/eprints3/perl_lib/EPrints/Apache/Storage.pm line 258<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">------------------------------------------------------------------<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">at /usr/share/eprints3/perl_lib/EPrints/Apache/Storage.pm line 267.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"> EPrints::Apache::Storage::handler(Apache2::RequestRec=SCALAR(0x7f11e14e7670)) called at -e line 0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"> eval {...} called at -e line 0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">I’ve had no joy at figuring out where the search_sql_ldap function lives – grepping on our EPrints server seems to be a futile exercise for some unfathomable reason.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> eprints-tech-bounces@ecs.soton.ac.uk [mailto:eprints-tech-bounces@ecs.soton.ac.uk]
<b>On Behalf Of </b>Adam Field<br>
<b>Sent:</b> 16 November 2016 11:38<br>
<b>To:</b> eprints-tech@ecs.soton.ac.uk<br>
<b>Subject:</b> Re: [EP-tech] Debug Creator browse view generation<o:p></o:p></span></p>
</div>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">OK, I think the code is confusingly written. Here’s my take:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">if ($value =~ /^[+-]?\d+$/ ) – if $value is an integer number of some (possibly with a + or – at the beginning<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">if (scalar @{$session->get_database->search_sql_ldap($value)}){ If whatever array the function returns has at least one element<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">my @check = @{$session->get_database->search_sql_ldap($value)}; Call the function again (!) to get the array<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">if(defined($check[0][0]) && defined($check[0][1])) If the first element of the array is an array that has two elements<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">my $string_build = $check[0][0] . ", " . $check[0][1]; //concatenate the two element<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">return $session->make_text( $string_build ); // turn it into a DOM element<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Aside from calling a function that almost certainly does a database query twice (rewrite is probably advisable), there’s nothing in this code that would cause an issue. My guess is that search_sql_ldap is throwing an
exception. You can go about this two ways:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">1)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">Quick and easy:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">my @check;<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">eval<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">{<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> @check = @{$session->get_database->search_sql_ldap($value)};<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">}<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">if (<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:36.0pt"><span lang="EN-US">$@ //an error occured<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> || ! (scalar @check) //empty array returned<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> || ! $check[0][0] // no given name<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> || ! $check[0][1] // no family name<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">{<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> return $session->make_text($value);<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">}<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">my $string_build = $check[0][0] . ", " . $check[0][1];<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">return $session->make_text( $string_build );<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">2)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">The correct approach<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The problem with (1) approach is that it doesn’t address the underlying issue – search_sql_ldap is throwing an exception. The correct approach is to figure out why. Do you have any error output or lines in the error
log associated with this failure?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Times New Roman",serif;color:black"> </span><span lang="EN-US"><o:p></o:p></span></p>
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<td valign="top" style="border:none;border-top:solid #2C3841 1.0pt;padding:0cm 0cm 3.0pt 0cm">
<p class="MsoNormal"><a href="http://www.jisc.ac.uk/"><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:blue;text-decoration:none"><img border="0" width="60" height="35" style="width:.625in;height:.3645in" id="_x0000_i1025" src="cid:image001.png@01D240E3.DA0FD430"></span></a><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Corbel",sans-serif;color:#2C3841">Adam Field</span></b><span style="font-size:12.0pt;font-family:"Times New Roman",serif"><br>
</span><span style="font-size:12.0pt;font-family:"Corbel",sans-serif;color:#2C3841">SHERPA services analyst developer</span><o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><b><span lang="EN-US" style="color:black">From:
</span></b><span lang="EN-US" style="color:black"><<a href="mailto:eprints-tech-bounces@ecs.soton.ac.uk">eprints-tech-bounces@ecs.soton.ac.uk</a>> on behalf of Andrew Beeken <<a href="mailto:anbeeken@lincoln.ac.uk">anbeeken@lincoln.ac.uk</a>><br>
<b>Reply-To: </b>"<a href="mailto:eprints-tech@ecs.soton.ac.uk">eprints-tech@ecs.soton.ac.uk</a>" <<a href="mailto:eprints-tech@ecs.soton.ac.uk">eprints-tech@ecs.soton.ac.uk</a>><br>
<b>Date: </b>Wednesday, 16 November 2016 10:59<br>
<b>To: </b>"<a href="mailto:eprints-tech@ecs.soton.ac.uk">eprints-tech@ecs.soton.ac.uk</a>" <<a href="mailto:eprints-tech@ecs.soton.ac.uk">eprints-tech@ecs.soton.ac.uk</a>><br>
<b>Subject: </b>Re: [EP-tech] Debug Creator browse view generation</span><span lang="EN-US"><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US" style="font-family:"Times New Roman",serif"> </span><span lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US">Thanks both!<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US">It looks like the issue here is a data issue. A function in Authorid.pm has had some code added to it which checks against a database table for users which are no longer at the institution,
however it doesn’t seem to be able to cope with a user that isn’t present in that table. The function is:<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US">sub get_value_label<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US">{<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> my( $self, $session, $value ) = @_;<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> my $user = EPrints::DataObj::User->new( $session, $value );<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US">
<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> #Checks the normal process and returns the user if found.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> if( defined $user )<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> {<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> return $session->make_text( EPrints::Utils::make_name_string( $self->_get_name( $session, $user ) ) );<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> }<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US">
<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> #If not returned with normal user checks value is a valid number and trys to pull the user from the ldap_user table instead<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> if ($value =~ /^[+-]?\d+$/ )<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> {
<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> if (scalar @{$session->get_database->search_sql_ldap($value)}){ << THIS IS THE LINE THAT’S GIVING ME GRIEF!<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> my @check = @{$session->get_database->search_sql_ldap($value)};
<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> if(defined($check[0][0]) && defined($check[0][1]))<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> {<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> my $string_build = $check[0][0] . ", " . $check[0][1];<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> return $session->make_text( $string_build );<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> }<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> }<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> }
<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US">
<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> #Otherwise just simply output the value<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> return $session->make_text( $value );<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> #return $session->make_text( "me" );<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US">}<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US">…and I’ve marked the problematic line of code. When it encounters an empty string instead of a scalar, the view generator goes…<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US" style="font-family:"Helvetica",sans-serif;color:black">¯\_(</span><span style="font-family:"MS Gothic";color:black">ツ</span><span lang="EN-US" style="font-family:"Helvetica",sans-serif;color:black">)_/¯</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US">…and falls over. Giving us no generated views. And a 500 error. Which is nice.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US">So, I think the answer is to handle that empty string and let the function carry on to the fallback of returning the value, however my knowledge of perl is less than functional at best and I
really don’t want to do any more irrevocable damage. Any thoughts would be welcome!<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US">Andrew<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> <o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><b><span lang="EN-US">From:</span></b><span lang="EN-US">
<a href="mailto:eprints-tech-bounces@ecs.soton.ac.uk">eprints-tech-bounces@ecs.soton.ac.uk</a> [<a href="mailto:eprints-tech-bounces@ecs.soton.ac.uk">mailto:eprints-tech-bounces@ecs.soton.ac.uk</a>]
<b>On Behalf Of </b>John Salter<br>
<b>Sent:</b> 15 November 2016 14:43<br>
<b>To:</b> <a href="mailto:eprints-tech@ecs.soton.ac.uk">eprints-tech@ecs.soton.ac.uk</a><br>
<b>Subject:</b> Re: [EP-tech] Debug Creator browse view generation<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US" style="color:#1F497D">> bin/generate_views ARCHIVEID --view viewid --verbose</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US" style="color:#1F497D"> </span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US" style="color:#1F497D">(You can do ‘--verbose --verbose’ if you really need to!).</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US" style="color:#1F497D"> </span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US" style="color:#1F497D">Depending on where your issue lies, you might want to use one of these options too:</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US" style="color:#1F497D">--generate menus</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US" style="color:#1F497D">--generate lists</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US" style="color:#1F497D"> </span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US" style="color:#1F497D">Which will be a bit quicker than a full run.</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US" style="color:#1F497D"> </span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US" style="color:#1F497D">Cheers,</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US" style="color:#1F497D">John</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US" style="color:#1F497D"> </span><span lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><b><span lang="EN-US">From:</span></b><span lang="EN-US">
<a href="mailto:eprints-tech-bounces@ecs.soton.ac.uk">eprints-tech-bounces@ecs.soton.ac.uk</a> [<a href="mailto:eprints-tech-bounces@ecs.soton.ac.uk">mailto:eprints-tech-bounces@ecs.soton.ac.uk</a>]
<b>On Behalf Of </b>Andrew Beeken<br>
<b>Sent:</b> 15 November 2016 14:26<br>
<b>To:</b> <a href="mailto:eprints-tech@ecs.soton.ac.uk">eprints-tech@ecs.soton.ac.uk</a><br>
<b>Subject:</b> [EP-tech] Debug Creator browse view generation<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US">Hello all!<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US">So, back to that old chestnut of errors throwing in our EPrints installation (yay!) I’ve had to do some tweaks to make it read our LDAP table. Now I’m getting errors on the creator browse generation!
I think I’ve figured out where the problems are occurring however I don’t know if it’s a code issue or a data issue. Is there a way of running the view generator from the command line with –verbose so that I can see what it’s trying to do and figure out where
the error is occurring?<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-US">Andrew<o:p></o:p></span></p>
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