[[MediaWiki:File-exists-duplicate/en]]

This message has all content displayed when error triggerred on Commons, even {{PLURAL:$1 and everything. I removed plural option for Serbian translation to temporarily fix it, on MediaWiki:File-exists-duplicate/sr-ec. I do not know if this error is only for sr-ec but I do not believe it is the case so please check and fix English too (and sr-ec if possible to have correct consistent form with en translation). I left singular form in sr-ec because I do not know how could a file be duplicate of several files...

Could you give an example of duplicate files on Commons pls to verify of it is a parsing error or an l10n error. Thanks.

There are no duplicate files there but when one uploads file(s) and selects image that is already uploaded this message is displayed.

Ok, thank you. A task was already written about this error: Phab:T244406. Please still use the PLURAL in translations.

OK. Thank you.