Change Details

To reproduce: * Go to https://test.wikidata.org/wiki/Lexeme:L1 and start editing the lemma * Enter "test" as the spelling variant * Press enter or click publish Expected behaviour: The language code is not valid, so an error should be shown. Actual behaviour: It briefly looks like it's saving and then it returns to the previous state with no indication of anything having gone wrong.

**Problem:** No error is shown when trying to save an invalid language code for a Lemma on a Lexeme. We should show an error to give the editor some indication about what's going on. **Steps to reproduce:** * Go to https://test.wikidata.org/wiki/Lexeme:L1 and start editing the lemma * Enter "test" as the spelling variant * Press enter or click publish Expected behaviour: The language code is not valid, so an error should be shown. Actual behaviour: It briefly looks like it's saving and then it returns to the previous state with no indication of anything having gone wrong. **Screenshots/mockups:** **BDD** GIVEN a Lemma on a Lexeme WHEN saving an invalid language code THEN an error is shown AND the edit is not saved AND edit mode is restored **Acceptance criteria:** [ ] error message is shown when trying to save an invalid language code for a Lemma on a Lexeme

To reproduce:**Problem:** No error is shown when trying to save an invalid language code for a Lemma on a Lexeme. We should show an error to give the editor some indication about what's going on. **Steps to reproduce:** * Go to https://test.wikidata.org/wiki/Lexeme:L1 and start editing the lemma * Enter "test" as the spelling variant * Press enter or click publish Expected behaviour: The language code is not valid, so an error should be shown. Actual behaviour: It briefly looks like it's saving and then it returns to the previous state with no indication of anything having gone wrong. **Screenshots/mockups:** **BDD** GIVEN a Lemma on a Lexeme WHEN saving an invalid language code THEN an error is shown AND the edit is not saved AND edit mode is restored **Acceptance criteria:** [ ] error message is shown when trying to save an invalid language code for a Lemma on a Lexeme