Defective return - sec 139(9)

I received the above notice showing error code 181 but I had filled gross receipts correctly under col 53(ii)a of Part A Profit and loss account and my profit shown u/s 44ADA was also more than 50%. I really do not understand why return is treated defective with error code 181. Can members please advise what should I do to correct the defect? Do I have to mention these figures in some other columns also?

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