How To Fix FKKINV501 - Internal: Error during initialization of custom selections

FKKINV501 - Overview

• Message type: E = Error

• Message class: FKKINV - Invoicing in Contract Accounts Receivable and Payable

• Message number: 501

• Message text: Internal: Error during initialization of custom selections

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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Smart SAP Assistant

• What is the cause and solution for SAP error message FKKINV501 - Internal: Error during initialization of custom selections ?

  The SAP error message FKKINV501 ("Internal: Error during initialization 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 is an issue with the initialization of custom selection criteria during the processing of invoices or billing documents.
  Causes:
  
  Custom Code Issues: If there are custom enhancements or modifications in the system, they may not be functioning correctly, leading to this error.
  Configuration Errors: Incorrect configuration settings in the billing or invoicing process can lead to initialization errors.
  Data Inconsistencies: Inconsistent or corrupted data in the database tables related to billing or invoicing can trigger this error.
  Missing Authorizations: Lack of necessary authorizations for the user executing the transaction can also lead to this error.
  System Bugs: There may be bugs in the SAP version you are using that could cause this error.
  
  Solutions:
  
  Check Custom Code: Review any custom code or