MediaWiki internal error.

Original exception: exception 'DBUnexpectedError' with message 'Unable to free MySQL result' in /home/encyclopedia/public_html/w/includes/db/Database.php:769
Stack trace:
#0 /home/encyclopedia/public_html/w/extensions/SemanticMediaWiki/includes/storage/SMW_SQLStore2.php(1963): Database->freeResult(false)
#1 /home/encyclopedia/public_html/w/extensions/SemanticMediaWiki/includes/storage/SMW_SQLStore2.php(1888): SMWSQLStore2->getSMWPageIDandSort('Rawmsg-noscript...', 8, '', '', true)
#2 /home/encyclopedia/public_html/w/extensions/SemanticMediaWiki/includes/storage/SMW_SQLStore2.php(568): SMWSQLStore2->getSMWPageID('Rawmsg-noscript...', 8, '')
#3 /home/encyclopedia/public_html/w/extensions/SemanticMediaWiki/includes/storage/SMW_SQLStore2.php(692): SMWSQLStore2->prepareValueQuery('`smw_ids` INNER...', '', Object(SMWSQLStore2Table), Object(SMWWikiPageValue), 1)
#4 /home/encyclopedia/public_html/w/extensions/SemanticForms/includes/SF_LinkUtils.inc(224): SMWSQLStore2->getInProperties(Object(SMWWikiPageValue))
#5 /home/encyclopedia/public_html/w/extensions/SemanticForms/includes/SF_LinkUtils.inc(209): SFLinkUtils::addDataLink(Object(Title))
#6 [internal function]: SFLinkUtils::setBrokenLink(Object(SkinMonoBook), Object(Title), Array, 'MediaWiki:rawms...', Array, NULL)
#7 /home/encyclopedia/public_html/w/includes/Hooks.php(117): call_user_func_array(Array, Array)
#8 /home/encyclopedia/public_html/w/includes/Linker.php(222): wfRunHooks('LinkEnd', Array)
#9 /home/encyclopedia/public_html/w/includes/Linker.php(509): Linker->link(Object(Title), 'MediaWiki:rawms...', Array, Array, 'broken')
#10 /home/encyclopedia/public_html/w/includes/parser/LinkHolderArray.php(233): Linker->makeBrokenLinkObj(Object(Title), 'MediaWiki:rawms...', '')
#11 /home/encyclopedia/public_html/w/includes/parser/LinkHolderArray.php(115): LinkHolderArray->replaceInternal('<div class="err...')
#12 /home/encyclopedia/public_html/w/includes/parser/Parser.php(4074): LinkHolderArray->replace('<div class="err...')
#13 /home/encyclopedia/public_html/w/includes/parser/Parser.php(343): Parser->replaceLinkHolders('<div class="err...')
#14 /home/encyclopedia/public_html/w/extensions/SemanticForms/includes/SF_FormPrinter.inc(165): Parser->parse('__NOEDITSECTION...', Object(Title), Object(ParserOptions))
#15 [internal function]: SFFormPrinter->formHTML('<noinclude>?Thi...', false, true, '{{person-pagete...', 'Ed Mutryn (1c91...')
#16 /home/encyclopedia/public_html/w/includes/StubObject.php(58): call_user_func_array(Array, Array)
#17 /home/encyclopedia/public_html/w/includes/StubObject.php(76): StubObject->_call('formHTML', Array)
#18 /home/encyclopedia/public_html/w/extensions/SemanticForms/specials/SF_EditData.php(84): StubObject->__call('formHTML', Array)
#19 /home/encyclopedia/public_html/w/extensions/SemanticForms/specials/SF_EditData.php(84): StubObject->formHTML('<noinclude>?Thi...', false, true, '{{person-pagete...', 'Ed Mutryn (1c91...')
#20 /home/encyclopedia/public_html/w/extensions/SemanticForms/includes/SF_FormEditTab.php(124): SFEditData::printEditForm('Person-pagetext', 'Ed Mutryn (1c91...')
#21 [internal function]: SFFormEditTab::displayForm('formedit', Object(Article))
#22 /home/encyclopedia/public_html/w/includes/Hooks.php(117): call_user_func_array(Array, Array)
#23 /home/encyclopedia/public_html/w/includes/Wiki.php(526): wfRunHooks('UnknownAction', Array)
#24 /home/encyclopedia/public_html/w/includes/Wiki.php(63): MediaWiki->performAction(Object(OutputPage), Object(Article), Object(Title), Object(User), Object(WebRequest))
#25 /home/encyclopedia/public_html/w/index.php(118): MediaWiki->initialize(Object(Title), Object(Article), Object(OutputPage), Object(User), Object(WebRequest))
#26 {main}

Exception caught inside exception handler: exception 'DBUnexpectedError' with message 'Unable to free MySQL result' in /home/encyclopedia/public_html/w/includes/db/Database.php:769
Stack trace:
#0 /home/encyclopedia/public_html/w/extensions/SemanticForms/includes/SF_LinkUtils.inc(270): Database->freeResult(false)
#1 /home/encyclopedia/public_html/w/extensions/SemanticForms/includes/SF_LinkUtils.inc(280): SFLinkUtils::getCategoriesForArticle(Object(SkinMonoBook))
#2 /home/encyclopedia/public_html/w/extensions/SemanticForms/includes/SF_FormEditTab.php(25): SFLinkUtils::getFormForArticle(Object(SkinMonoBook))
#3 [internal function]: SFFormEditTab::displayTab(Object(SkinMonoBook), Array)
#4 /home/encyclopedia/public_html/w/includes/Hooks.php(117): call_user_func_array(Array, Array)
#5 /home/encyclopedia/public_html/w/includes/SkinTemplate.php(804): wfRunHooks('SkinTemplateTab...', Array)
#6 /home/encyclopedia/public_html/w/includes/SkinTemplate.php(437): SkinTemplate->buildContentActionUrls()
#7 /home/encyclopedia/public_html/w/includes/OutputPage.php(968): SkinTemplate->outputPage(Object(OutputPage))
#8 /home/encyclopedia/public_html/w/includes/Exception.php(159): OutputPage->output()
#9 /home/encyclopedia/public_html/w/includes/Exception.php(186): MWException->reportHTML()
#10 /home/encyclopedia/public_html/w/includes/Exception.php(284): MWException->report()
#11 /home/encyclopedia/public_html/w/includes/Exception.php(344): wfReportException(Object(DBUnexpectedError))
#12 [internal function]: wfExceptionHandler(Object(DBUnexpectedError))
#13 {main}