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Apologies for any inconvenience this is causing you. However, I am unable to reproduce the issue you're having.
May we just know, are you saving your form by clicking the save icon or your form is being saved automatically since auto-save is enabled? Can you try disabling auto-save and let us know if that helps.
Also, may we know which of your forms are you having trouble saving when you make some edits or updates to it, please? Does this suddenly happen? I mean was it working smoothly before then suddenly you encounter this issue? May we know the browser you were using when you encountered the issue? And lastly, can you give us the details of the change you were trying to apply to your form but it won't save?
We will wait for your response. Thank you.