Wrong Quantity in Table 12

No...

But, You can show next month return as lesser qty.
And keep records for reply to query if raise

You also can mentioned correct figers in Annual return GSTR9 23-24 . ( so make a note somewhere and correct it in Annual return)

You cannot revise a return once filed under GST. However, you can rectify the mistake made in the return in the GSTR-1 filed for the next period (month/quarter)1. This means that if you made a mistake in GSTR-1 of November 2023, you can rectify it in the GSTR-1 of December 2023 or subsequent months2. You can also download the GSTR-1 return file from the GST portal and use the offline tool to modify, add, or delete the invoice details uploaded earlier3. After making the necessary changes, you have to prepare a JSON file for regular invoice data and upload it on the GST portal3