I setup new instance of MediaWiki server on Linux. And copied all files and imported db file to this server. It was working.
Now today when I did the same I get following error:
[7f7385fdb49e4ad3c6e80aa1] /index.php/Main_Page MWException from line 187 of /opt/bitnami/mediawiki/includes/MagicWord.php: Error: invalid magic word 'idisplay'
Backtrace:
#0 /opt/bitnami/mediawiki/includes/MagicWordFactory.php(222): MagicWord->load(string)
#1 /opt/bitnami/mediawiki/includes/parser/Parser.php(4958): MagicWordFactory->get(string)
#2 /bitnami/mediawiki/extensions/iDisplay/iDisplay.php(25): Parser->setFunctionHook(string, string)
#3 /opt/bitnami/mediawiki/includes/Hooks.php(174): idisplay_Setup(Parser)
#4 /opt/bitnami/mediawiki/includes/Hooks.php(202): Hooks::callHook(string, array, array, NULL)
#5 /opt/bitnami/mediawiki/includes/parser/Parser.php(384): Hooks::run(string, array)
#6 /opt/bitnami/mediawiki/includes/cache/MessageCache.php(1210): Parser->firstCallInit()
#7 /opt/bitnami/mediawiki/includes/cache/MessageCache.php(1186): MessageCache->getParser()
#8 /opt/bitnami/mediawiki/includes/Message.php(1291): MessageCache->transform(string, boolean, LanguageEn, Title)
#9 /opt/bitnami/mediawiki/includes/Message.php(895): Message->transformText(string)
#10 /opt/bitnami/mediawiki/includes/Message.php(955): Message->toString(string)
#11 /opt/bitnami/mediawiki/includes/OutputPage.php(902): Message->text()
#12 /opt/bitnami/mediawiki/includes/OutputPage.php(951): OutputPage->setHTMLTitle(Message)
#13 /opt/bitnami/mediawiki/includes/page/Article.php(621): OutputPage->setPageTitle(string)
#14 /opt/bitnami/mediawiki/includes/actions/ViewAction.php(68): Article->view()
#15 /opt/bitnami/mediawiki/includes/MediaWiki.php(499): ViewAction->show()
#16 /opt/bitnami/mediawiki/includes/MediaWiki.php(294): MediaWiki->performAction(Article, Title)
#17 /opt/bitnami/mediawiki/includes/MediaWiki.php(865): MediaWiki->performRequest()
#18 /opt/bitnami/mediawiki/includes/MediaWiki.php(515): MediaWiki->main()
#19 /opt/bitnami/mediawiki/index.php(42): MediaWiki->run()
#20 {main}
Till now I was able to take a backup and recreate successfully in other server. But this error has terrorised me.
I try to put latest package of iDisplay extension. still same issue.