Message type: E = Error
Message class:  FKKINV - Invoicing in Contract Accounts Receivable and Payable 
Message number: 212
Message text: Clearing for posting document &1 was canceled with document number &2
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The SAP error message FKKINV212 indicates that a clearing operation for a posting document was canceled. This typically occurs in the context of the Contract Accounts Receivable and Payable (FI-CA) module, where clearing operations are performed to reconcile open items.
Cause: The error can be caused by several factors, including: Document Locking: The document may be locked by another user or process, preventing the clearing operation from being completed. Inconsistent Data: There may be inconsistencies in the data related to the documents being cleared, such as missing or incorrect entries. Authorization Issues: The user may not have the necessary authorizations to perform the clearing operation. Technical Issues: There could be underlying technical issues, such as database problems or system errors, that prevent the clearing from being processed. Manual Cancellation: The clearing operation may have been manually canceled by a user.
Solution: To resolve the FKKINV212 error, you can take the following steps: Check Document Status: Verify the status of the
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