Error from line 176 of /usr/share/mediawiki/extensions-extra/Widgets/WidgetRenderer.php: Call to protected method Article::getContentObject() from context 'WidgetRenderer'
Ubuntu 16.04
Git commit: * 184aa1b 2017-01-09
Specifically Widgets for Google Calendar, which worked on 1.19.x
Backtrace:
#0 /usr/share/mediawiki/extensions-extra/Widgets/smarty/libs/sysplugins/smarty_internal_resource_registered.php(80): WidgetRenderer::wiki_get_template(string, NULL, Smarty)
#1 /usr/share/mediawiki/extensions-extra/Widgets/smarty/libs/sysplugins/smarty_template_source.php(265): Smarty_Internal_Resource_Registered->getContent(Smarty_Template_Source)
#2 /usr/share/mediawiki/extensions-extra/Widgets/smarty/libs/sysplugins/smarty_internal_templatecompilerbase.php(390): Smarty_Template_Source->getContent()
#3 /usr/share/mediawiki/extensions-extra/Widgets/smarty/libs/sysplugins/smarty_internal_templatecompilerbase.php(328): Smarty_Internal_TemplateCompilerBase->compileTemplateSource(Smarty_Internal_Template, boolean, NULL)
#4 /usr/share/mediawiki/extensions-extra/Widgets/smarty/libs/sysplugins/smarty_template_compiled.php(236): Smarty_Internal_TemplateCompilerBase->compileTemplate(Smarty_Internal_Template)
#5 /usr/share/mediawiki/extensions-extra/Widgets/smarty/libs/sysplugins/smarty_template_compiled.php(123): Smarty_Template_Compiled->compileTemplateSource(Smarty_Internal_Template)
#6 /usr/share/mediawiki/extensions-extra/Widgets/smarty/libs/sysplugins/smarty_template_compiled.php(193): Smarty_Template_Compiled->process(Smarty_Internal_Template)
#7 /usr/share/mediawiki/extensions-extra/Widgets/smarty/libs/sysplugins/smarty_internal_template.php(159): Smarty_Template_Compiled->render(Smarty_Internal_Template)
#8 /usr/share/mediawiki/extensions-extra/Widgets/smarty/libs/sysplugins/smarty_internal_templatebase.php(191): Smarty_Internal_Template->render(boolean, integer)
#9 /usr/share/mediawiki/extensions-extra/Widgets/smarty/libs/sysplugins/smarty_internal_templatebase.php(94): Smarty_Internal_TemplateBase->_execute(Smarty_Internal_Template, NULL, NULL, NULL, integer)
#10 /usr/share/mediawiki/extensions-extra/Widgets/WidgetRenderer.php(131): Smarty_Internal_TemplateBase->fetch(string)
#11 /usr/share/mediawiki/includes/parser/Parser.php(3817): WidgetRenderer::renderWidget(Parser, string, string, string, string, string, string)
#12 /usr/share/mediawiki/includes/parser/Parser.php(3552): Parser->callParserFunction(PPFrame_DOM, string, array)
#13 /usr/share/mediawiki/includes/parser/Preprocessor_DOM.php(1175): Parser->braceSubstitution(array, PPFrame_DOM)
#14 /usr/share/mediawiki/includes/parser/Parser.php(3366): PPFrame_DOM->expand(DOMElement, integer)
#15 /usr/share/mediawiki/includes/parser/Parser.php(1248): Parser->replaceVariables(string)
#16 /usr/share/mediawiki/includes/parser/Parser.php(446): Parser->internalParse(string)
#17 /usr/share/mediawiki/includes/content/WikitextContent.php(331): Parser->parse(string, Title, ParserOptions, boolean, boolean, integer)
#18 /usr/share/mediawiki/includes/content/AbstractContent.php(497): WikitextContent->fillParserOutput(Title, integer, ParserOptions, boolean, ParserOutput)
#19 /usr/share/mediawiki/includes/poolcounter/PoolWorkArticleView.php(139): AbstractContent->getParserOutput(Title, integer, ParserOptions)
#20 /usr/share/mediawiki/includes/poolcounter/PoolCounterWork.php(123): PoolWorkArticleView->doWork()
#21 /usr/share/mediawiki/includes/page/Article.php(666): PoolCounterWork->execute()
#22 /usr/share/mediawiki/includes/actions/ViewAction.php(44): Article->view()
#23 /usr/share/mediawiki/includes/MediaWiki.php(503): ViewAction->show()
#24 /usr/share/mediawiki/includes/MediaWiki.php(288): MediaWiki->performAction(Article, Title)
#25 /usr/share/mediawiki/includes/MediaWiki.php(745): MediaWiki->performRequest()
#26 /usr/share/mediawiki/includes/MediaWiki.php(519): MediaWiki->main()
#27 /usr/share/mediawiki/index.php(43): MediaWiki->run()
#28 {main}