→Tips on debugging your custom form definitions: no one can see your form here so we have to generalise
ValueError: not enough values to unpack (expected 2, got 1)</nowiki>
The For the example error above error was meaningless in my case, the title was fine, it didn't like the case of Forms Gramplet was reporting that one of the entriesin the custom form was incorrectly typed and should be exactly like the supported form definitions.