Steps to Reproduce:
- Go to https://test.wikipedia.org/wiki/Special:Upload with Chrome 66.0.3359.117(Official Build) (64 bit)
- Select "Source filename:"
- choose file from local
- choose any licenses
- push "Upload file" button
- Error occurs in file page for Own uploaded files
Error messages: P7018
does not occurs error in alternative account or non-logged
- edited: this bug occurs at mediawiki.org too