Transaction cannot be added in this Return period, as the Return is filed. Such transactions cannot be uploaded
Cause
If you have already signed the Return, and then create a voucher with a date within the same Return Period, then this Uncertain Transaction appears: Transaction cannot be added in this Return period, as the Return is filed.

Resolution
- Open GSTR-1/GSTR-3B and press Alt+F10ย (Undo Filing).

- Pressย Sย (Undo Filing for Current Return).

The transaction now becomes a part of the Return.
If you want to move the transaction to the subsequent month, then you can provide the Effective Date of the relevant month.
- Select the transaction and press Alt+Lย (Set Effective Date).
- Enter a date of the subsequent return period.

- Pressย Ctrl+A to save the details.
The transaction becomes a part of the Return in the subsequent period.
