Message type: E = Error
Message class: FKKINV - Invoicing in Contract Accounts Receivable and Payable
Message number: 502
Message text: Internal: Error during entry of custom selections
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The SAP error message FKKINV502 ("Internal: Error during entry of custom selections") typically occurs in the context of the SAP Convergent Charging or SAP Contract Accounts Receivable and Payable (FI-CA) modules. This error indicates that there was an issue when trying to process custom selections during an invoice or billing operation. Possible Causes: Custom Code Issues: If there are custom enhancements or modifications in the system, they may not be functioning correctly, leading to this error. Data Inconsistencies: There may be inconsistencies or missing data in the database that the system is trying to access. Configuration Errors: Incorrect configuration settings in the FI-CA module or related components can lead to this error. Authorization Issues: The user may not have the necessary authorizations to perform the action that triggered the error. System Bugs: There may be bugs in the SAP version being used that could lead to this error. Solutions: Check Custom Code: Review any custom code or enhancements
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