What could be causing the error message "There was an error saving the user details" when trying to add users back to access groups in Webflow?

The error message "There was an error saving the user details" when adding users to access groups in Webflow typically indicates a problem with project permissions, user data conflicts, or backend syncing issues.

1. Check Site Plan and Permissions

• Ensure your Webflow site is on a paid Site Plan that supports User Access groups (e.g., CMS or Business plan with Memberships enabled).
• Confirm you have admin-level permissions on the Webflow project; editors or collaborators with lower roles may not be able to modify members or roles.

2. Review User’s Membership Status

• Go to Users > Members, and check the status of the user you’re trying to add to an access group.
• If they are in an “invited” or “pending” state and have not completed signup, they cannot be added to an access group until they activate their account.

3. Validate Access Group Rules

• Go to Users > Access Groups, and verify that the group you're trying to assign the user to doesn't have conflicting conditions (e.g., based on custom fields, email domains, etc.) that the user doesn't meet.
• Update conditions or try assigning the user to another access group to test whether the issue is specific to one group.

4. Avoid Duplicate Emails or Conflicting User Data

• Ensure the user’s email address is unique and not already associated with a deleted or duplicate member entry.
• If duplicates exist, try deleting both entries, then re-invite the user cleanly.

5. Clear Browser Cache or Try Another Browser

• Some errors can be caused by session or cache issues. Try refreshing the page, clearing browser cache, or switching to another browser.

6. Wait and Retry for Backend Sync Issues

• Occasionally, Webflow's user system experiences temporary syncing issues where edits cannot be committed.
• Wait a few minutes then retry — this resolves the issue in many cases.

7. Contact Webflow Support If None of the Above Work

• If the problem persists across members and groups, it may be a backend bug or conflict. In that case, submit a ticket to Webflow Support with:
• Your project URL
• Member email(s) affected
• Screenshots or details about the exact steps leading to the error

Summary

To resolve “There was an error saving the user details” when assigning users to access groups in Webflow, check permissions, confirm user status, validate access group conditions, avoid duplicates, and retry after waiting. If everything looks correct but the error persists, contact Webflow Support for further investigation.