How do I return a data or questionnaire that is not well filled by enumerator using KoBoToolbox? (multiple edits)

my main question is when you said make one edit? just one? The enumerator on my end has to make several edits.

Welcome back to the community, @nicorll! In this case, you will need to share the edit URL link with your enumerators multiple times. The same edit URL link cannot be used to edit the submission numerous times (as the edit URL comes to a timeout after every 30 seconds).