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cancellation of confirmation of work order

Hello experts,

we need to cancel this confirmation of work order of previous month through CO13, but getting an error previous month G/L is not open and finance team can't open past period. is there any alternative solution to cancel the work order of previous month .

Please help


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  • Posted on Oct 15, 2019 at 07:08 AM


    Please refer SAP note 1718869 - FAQ: Confirmation

    1. Question: Can I change the posting date during a cancellation?

    Answer: When you cancel a confirmation, the system uses the posting date of the confirmation that is to be canceled as the posting date. In general, you are not able to change the posting date. You can change the posting date only if the corresponding posting period is locked. The system then issues message RU 428: "Posting period [month] [year] is locked (check posting date)". If you want the current system date as the posting date for your cancellation, send a request referring to SAP Note 1557598 to SAP.

    Also refer SAP note 2463866 - Cancel: Posting date when FI period is blocked

    Best Regards,


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