How To Fix FKKID_MSG102 - Entry with key &1 already exists; duplicate key error

FKKID_MSG102 - Overview

• Message type: E = Error

• Message class: FKKID_MSG - Messages for FI-CA Loc. Cross-Country

• Message number: 102

• Message text: Entry with key &1 already exists; duplicate key error

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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FKKID_MSG102 - Details

• The SAP error message FKKID_MSG102 indicates that there is a duplicate key entry in the system. This typically occurs in the context of contract accounts or billing documents in the SAP Convergent Charging or Contract Accounts Receivable and Payable (FI-CA) modules. The error suggests that an attempt is being made to create or update an entry that already exists in the database, violating the unique constraint of the key.
  
  Cause:
  
  Duplicate Data Entry: The most common cause is that the system is trying to create a new entry (like a contract account, billing document, etc.) with a key that already exists in the database.
  Data Migration Issues: If data has been migrated from another system or during a system upgrade, there may be inconsistencies leading to duplicate keys.
  Concurrency Issues: If multiple users or processes are trying to create the same entry simultaneously, it can lead to this error.
  Incorrect Configuration: Sometimes, configuration settings may