How To Fix FKKLOCKS023 - Internal error: Selection of contract and partner, partner not key field

FKKLOCKS023 - Overview

• Message type: E = Error

• Message class: FKKLOCKS - FI-CA: Processing Locks

• Message number: 023

• Message text: Internal error: Selection of contract and partner, partner not key field

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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FKKLOCKS023 - Details

• The SAP error message FKKLOCKS023 indicates an internal error related to the selection of a contract and partner, specifically that the partner is not defined as a key field. This error typically occurs in the context of contract management or billing processes within the SAP system, particularly in the SAP Convergent Charging (SAP CC) or SAP Contract Accounts Receivable and Payable (SAP FI-CA) modules.
  
  Cause:
  
  Partner Configuration: The partner involved in the transaction may not be correctly configured as a key field in the relevant contract or master data. In SAP, certain partners (like customers, vendors, etc.) need to be defined as key fields for the system to process transactions correctly.
  Data Inconsistency: There may be inconsistencies or missing data in the contract or partner master records that prevent the system from identifying the partner correctly.
  Custom Development: If there are custom developments or enhancements in the system, they might not be handling partner