MediaWiki internal error. Original exception: exception 'MWException' with message 'PPFrame_DOM::expand: Invalid parameter type' in /usr/local/apache/common-local/wmf-deployment/includes/parser/Preprocessor_DOM.php:1056 Stack trace: #0 /usr/local/apache/common-local/wmf-deployment/includes/parser/Parser.php(2733): PPFrame_DOM->expand(Object(PPNode_DOM), 0) #1 /usr/local/apache/common-local/wmf-deployment/includes/parser/Parser.php(935): Parser->replaceVariables('Harriv') #2 /usr/local/apache/common-local/wmf-deployment/includes/parser/Parser.php(335): Parser->internalParse('Harriv') #3 [internal function]: Parser->parse('Harriv', Object(Title), Object(ParserOptions), true, true, NULL) #4 /usr/local/apache/common-local/wmf-deployment/includes/StubObject.php(58): call_user_func_array(Array, Array) #5 /usr/local/apache/common-local/wmf-deployment/includes/StubObject.php(76): StubObject->_call('parse', Array) #6 [internal function]: StubObject->__call('parse', Array) #7 /usr/local/apache/common-local/wmf-deployment/includes/OutputPage.php(1145): StubObject->parse('Harriv', Object(Title), Object(ParserOptions), true, true, NULL) #8 /usr/local/apache/common-local/wmf-deployment/includes/GlobalFunctions.php(884): OutputPage->parse('Harriv', true, true) #9 /usr/local/apache/common-local/wmf-deployment/includes/specials/SpecialWatchlist.php(54): wfMsgExt('watchlistfor', 'parseinline', 'Harriv') #10 [internal function]: wfSpecialWatchlist(NULL, Object(SpecialPage)) #11 /usr/local/apache/common-local/wmf-deployment/includes/SpecialPage.php(793): call_user_func('wfSpecialWatchl...', NULL, Object(SpecialPage)) #12 /usr/local/apache/common-local/wmf-deployment/includes/SpecialPage.php(561): SpecialPage->execute(NULL) #13 /usr/local/apache/common-local/wmf-deployment/includes/Wiki.php(254): SpecialPage::executePath(Object(Title)) #14 /usr/local/apache/common-local/wmf-deployment/includes/Wiki.php(64): MediaWiki->handleSpecialCases(Object(Title), Object(OutputPage), Object(WebRequest)) #15 /usr/local/apache/common-local/wmf-deployment/index.php(117): MediaWiki->performRequestForTitle(Object(Title), NULL, Object(OutputPage), Object(User), Object(WebRequest)) #16 /usr/local/apache/common-local/live-1.5/index.php(3): require('/usr/local/apac...') #17 {main} Exception caught inside exception handler: exception 'MWException' with message 'PPFrame_DOM::expand: Invalid parameter type' in /usr/local/apache/common-local/wmf-deployment/includes/parser/Preprocessor_DOM.php:1056 Stack trace: #0 /usr/local/apache/common-local/wmf-deployment/includes/parser/Parser.php(2733): PPFrame_DOM->expand(Object(PPNode_DOM), 0) #1 /usr/local/apache/common-local/wmf-deployment/includes/parser/Parser.php(518): Parser->replaceVariables('{{SITENAME}} ({...') #2 /usr/local/apache/common-local/wmf-deployment/includes/parser/Parser.php(4194): Parser->preprocess('{{SITENAME}} ({...', Object(Title), Object(ParserOptions)) #3 /usr/local/apache/common-local/wmf-deployment/includes/MessageCache.php(674): Parser->transformMsg('{{SITENAME}} ({...', Object(ParserOptions)) #4 /usr/local/apache/common-local/wmf-deployment/includes/GlobalFunctions.php(744): MessageCache->transform('{{SITENAME}} ({...') #5 /usr/local/apache/common-local/wmf-deployment/includes/GlobalFunctions.php(707): wfMsgGetKey('opensearch-desc', true, true, true) #6 /usr/local/apache/common-local/wmf-deployment/includes/GlobalFunctions.php(655): wfMsgReal('opensearch-desc', Array, true, true) #7 /usr/local/apache/common-local/wmf-deployment/includes/Skin.php(203): wfMsgForContent('opensearch-desc') #8 /usr/local/apache/common-local/wmf-deployment/skins/Vector.php(31): Skin->initPage(Object(OutputPage)) #9 /usr/local/apache/common-local/wmf-deployment/includes/SkinTemplate.php(146): SkinVector->initPage(Object(OutputPage)) #10 /usr/local/apache/common-local/wmf-deployment/includes/OutputPage.php(1559): SkinTemplate->outputPage(Object(OutputPage)) #11 /usr/local/apache/common-local/wmf-deployment/includes/Exception.php(164): OutputPage->output() #12 /usr/local/apache/common-local/wmf-deployment/includes/Exception.php(191): MWException->reportHTML() #13 /usr/local/apache/common-local/wmf-deployment/includes/Exception.php(289): MWException->report() #14 /usr/local/apache/common-local/wmf-deployment/includes/Exception.php(348): wfReportException(Object(MWException)) #15 [internal function]: wfExceptionHandler(Object(MWException)) #16 {main}