Size limit in Research Profile (full)

There is no size limit in the Research Profile (full) form in https://dev.discuss-data.net/users/edit/ If I post a (lot of!) data a post request is rejected: Intercooler Error : AJAX request 51 to /users/edit/profile/ experienced an error: Bad Request and server returns 400 but no user feedback.

Expected Behavior

1. size limit of forms
2. feedback to user "too long"

Current Behavior

1. no feedback

Steps to Reproduce

1. see description

Additional Information

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