Message type: E = Error
Message class:  FKKEXC - Message Class for External Payments 
Message number: 613
Message text: Not possible to update totals record with grouping key &1
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The SAP error message FKKEXC613 indicates that the system is unable to update the totals record due to an issue with the grouping key. This error typically occurs in the context of contract accounts receivable and payable (FI-CA) when there is an attempt to update financial totals, but the necessary conditions for the update are not met.
Cause: The error can be caused by several factors, including: Missing or Incorrect Grouping Key: The grouping key specified in the transaction may not exist or may not be valid for the totals record being updated. Data Inconsistencies: There may be inconsistencies in the data that prevent the update from being processed correctly. Locked Records: The totals record may be locked by another process or user, preventing updates.
Configuration Issues: There may be configuration settings in the FI-CA module that are not set up correctly, leading to issues with the grouping key.
Solution: To resolve the error, you can take the
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