submission form stucks, no way to submit or save data

steps:

- open "release date" addition menu on any title

- press this help button:

And after that, no button works, you can't recheck and you can't even save the submission, you can't go back, you have to start over.

This conversation has been merged. Please refer the main conversation:

Re-check issues: "'ttxxxxx' is invalid", "No existing data", outdated data