Message type: E = Error
Message class:  FMCA_INCORR - Messages for Inbound Correspondence 
Message number: 122
Message text: Reversed request already exists for contract object &1 for period &2
An inbound correspondence request already exists for business partner
&V3&, contract account &V2&, and contract object &V1& for period &V2&.
This inbound correspondence request has been reversed.
If a reversed request exists, you cannot create a new inbound
correspondence request using the <LS>Generate Inbound Correspondences</>
mass activity (transaction FMCAM1).
Choose one of the following alternatives:
Create a new inbound correspondence request manually using transaction
PSOBWORK or FMCAINCOH.
Reset the reversal in transaction PSOBWORK or FMCAINCOH.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message FMCA_INCORR122 indicates that there is an issue with a reversed request that already exists for a specific contract object and period. This error typically arises in the context of contract management or financial transactions where a reversal of a request (like a payment or a commitment) is being attempted, but the system has detected that a reversal for that same contract and period has already been processed.
Cause: Duplicate Reversal Request: The most common cause is that a reversal request for the same contract object and period has already been executed. This could happen if the user attempts to reverse a transaction that has already been reversed. Data Integrity Issues: There may be inconsistencies in the data, such as incorrect entries or missing records that lead to the system recognizing a reversal that should not exist. Timing Issues: If multiple users are processing transactions simultaneously, one user may have already
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