When I save a translation at
https://www.mediawiki.org/w/index.php?title=Special:Translate&group=page-Help%3AVisualEditor%2FUser+guide&filter=%21translated&action=translate&debug=1
I'm getting the following error:
Uncaught TypeError: Cannot read property 'info' of undefined
It comes from the line
translateEditor.savingError( results.error.info );
of the file
https://bits.wikimedia.org/static-1.22wmf10/extensions/Translate/resources/js/ext.translate.editor.js
Version: unspecified
Severity: normal