Unexpected non-MediaWiki exception encountered, of type &quot;Error&quot;<br />
Error: Call to undefined function dl() in /var/www/wiki/includes/db/Database.php:337<br />
Stack trace:<br />
#0 /var/www/wiki/includes/db/Database.php(304): Database-&gt;open('localhost', 'root', 'root', 'wiki')<br />
#1 /var/www/wiki/includes/db/LoadBalancer.php(647): Database-&gt;__construct('localhost', 'root', 'root', 'wiki', 1, 16)<br />
#2 /var/www/wiki/includes/db/LoadBalancer.php(530): LoadBalancer-&gt;reallyOpenConnection(Array, false)<br />
#3 /var/www/wiki/includes/db/LoadBalancer.php(453): LoadBalancer-&gt;openConnection(0, false)<br />
#4 /var/www/wiki/includes/GlobalFunctions.php(2792): LoadBalancer-&gt;getConnection(0, Array, false)<br />
#5 /var/www/wiki/includes/Revision.php(162): wfGetDB(-1)<br />
#6 /var/www/wiki/includes/Revision.php(66): Revision::newFromConds(Array)<br />
#7 /var/www/wiki/includes/parser/Parser.php(3063): Revision::newFromTitle(Object(Title))<br />
#8 /var/www/wiki/includes/parser/Parser.php(3024): Parser-&gt;statelessFetchTemplate(Object(Title), Object(Parser))<br />
#9 /var/www/wiki/includes/parser/Parser.php(3001): Parser-&gt;fetchTemplateAndTitle(Object(Title))<br />
#10 /var/www/wiki/includes/parser/Parser.php(2880): Parser-&gt;getTemplateDom(Object(Title))<br />
#11 /var/www/wiki/includes/parser/Preprocessor_DOM.php(959): Parser-&gt;braceSubstitution(Array, Object(PPFrame_DOM))<br />
#12 /var/www/wiki/includes/parser/Parser.php(2632): PPFrame_DOM-&gt;expand(Object(DOMElement), 0)<br />
#13 /var/www/wiki/includes/parser/Parser.php(875): Parser-&gt;replaceVariables('{{Project:Sandb...')<br />
#14 /var/www/wiki/includes/parser/Parser.php(327): Parser-&gt;internalParse('{{Project:Sandb...')<br />
#15 /var/www/wiki/includes/StubObject.php(58): Parser-&gt;parse('{{Project:Sandb...', Object(Title), Object(ParserOptions))<br />
#16 /var/www/wiki/includes/StubObject.php(76): StubObject-&gt;_call('parse', Array)<br />
#17 /var/www/wiki/includes/api/ApiParse.php(128): StubObject-&gt;__call('parse', Array)<br />
#18 /var/www/wiki/includes/api/ApiMain.php(420): ApiParse-&gt;execute()<br />
#19 /var/www/wiki/includes/api/ApiMain.php(238): ApiMain-&gt;executeAction()<br />
#20 /var/www/wiki/includes/api/ApiMain.php(222): ApiMain-&gt;executeActionWithErrorHandling()<br />
#21 /var/www/wiki/api.php(86): ApiMain-&gt;execute()<br />
#22 {main}<br />
<br />
#0 /var/www/wiki/includes/db/Database.php(304): Database-&gt;open('localhost', 'root', 'root', 'wiki')<br />
#1 /var/www/wiki/includes/db/LoadBalancer.php(647): Database-&gt;__construct('localhost', 'root', 'root', 'wiki', 1, 16)<br />
#2 /var/www/wiki/includes/db/LoadBalancer.php(530): LoadBalancer-&gt;reallyOpenConnection(Array, false)<br />
#3 /var/www/wiki/includes/db/LoadBalancer.php(453): LoadBalancer-&gt;openConnection(0, false)<br />
#4 /var/www/wiki/includes/GlobalFunctions.php(2792): LoadBalancer-&gt;getConnection(0, Array, false)<br />
#5 /var/www/wiki/includes/Revision.php(162): wfGetDB(-1)<br />
#6 /var/www/wiki/includes/Revision.php(66): Revision::newFromConds(Array)<br />
#7 /var/www/wiki/includes/parser/Parser.php(3063): Revision::newFromTitle(Object(Title))<br />
#8 /var/www/wiki/includes/parser/Parser.php(3024): Parser-&gt;statelessFetchTemplate(Object(Title), Object(Parser))<br />
#9 /var/www/wiki/includes/parser/Parser.php(3001): Parser-&gt;fetchTemplateAndTitle(Object(Title))<br />
#10 /var/www/wiki/includes/parser/Parser.php(2880): Parser-&gt;getTemplateDom(Object(Title))<br />
#11 /var/www/wiki/includes/parser/Preprocessor_DOM.php(959): Parser-&gt;braceSubstitution(Array, Object(PPFrame_DOM))<br />
#12 /var/www/wiki/includes/parser/Parser.php(2632): PPFrame_DOM-&gt;expand(Object(DOMElement), 0)<br />
#13 /var/www/wiki/includes/parser/Parser.php(875): Parser-&gt;replaceVariables('{{Project:Sandb...')<br />
#14 /var/www/wiki/includes/parser/Parser.php(327): Parser-&gt;internalParse('{{Project:Sandb...')<br />
#15 /var/www/wiki/includes/StubObject.php(58): Parser-&gt;parse('{{Project:Sandb...', Object(Title), Object(ParserOptions))<br />
#16 /var/www/wiki/includes/StubObject.php(76): StubObject-&gt;_call('parse', Array)<br />
#17 /var/www/wiki/includes/api/ApiParse.php(128): StubObject-&gt;__call('parse', Array)<br />
#18 /var/www/wiki/includes/api/ApiMain.php(420): ApiParse-&gt;execute()<br />
#19 /var/www/wiki/includes/api/ApiMain.php(238): ApiMain-&gt;executeAction()<br />
#20 /var/www/wiki/includes/api/ApiMain.php(222): ApiMain-&gt;executeActionWithErrorHandling()<br />
#21 /var/www/wiki/api.php(86): ApiMain-&gt;execute()<br />
#22 {main}<br />