Error Editing Submission

[Kal_Lam]

Welcome to the community @assistlogistique! Maybe the post discussed previously should help you identify the issue you are facing:

Error when trying to edit saved form

This happened in a project i was working on as well. The problem was that we were using a choice-name calculation in the form. After removing this calculation, the form worked perfectly. To help troubleshoot where the error is coming up in your form, reload the web page after filling in each answer to narrow down on the question where the error is arising from