@Zppix: Please always post the actual error text as text (so it can be indexed by search engines and actually be found by other people) and provide steps to reproduce. Please see https://mediawiki.org/wiki/How_to_report_a_bug for more information. Thanks.

This is because the edit has been deleted, as it's suggested by the error message you should "Abandon" it.

In T166961#3313526, @Aklapper wrote:

@Zppix: Please always post the actual error text as text (so it can be indexed by search engines and actually be found by other people) and provide steps to reproduce. Please see https://mediawiki.org/wiki/How_to_report_a_bug for more information. Thanks.

Copying and pasting on an R-Box (android box) is not as reliable as it sounds, so i went with the next best thing screenshot