Message type: E = Error
Message class:  FKKBIX_BIP -  
Message number: 029
Message text: Status of billing plan only allowed in display mode
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The SAP error message FKKBIX_BIP029, which states "Status of billing plan only allowed in display mode," typically occurs when you attempt to change or edit a billing plan that is in a status that does not permit modifications. This can happen in various scenarios, such as when the billing plan is already completed, or when it is in a status that restricts changes.
Cause: Billing Plan Status: The billing plan may be in a status that is set to "Completed" or "Closed," which prevents any further changes. User Permissions: The user may not have the necessary permissions to edit the billing plan. System Configuration: Certain configurations in the SAP system may restrict changes to billing plans based on their status.
Solution: Check Billing Plan Status: Verify the current status of the billing plan. If it is in a completed or closed status, you will need to either reverse the status (if possible) or create a new
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