Message type: E = Error
Message class:  FKKBRPNO - FI-CA Norwegen 
Message number: 016
Message text: Starting period &1 is not valid
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The SAP error message FKKBRPNO016 indicates that the starting period specified in a transaction or process is not valid. This error typically occurs in the context of billing or contract accounting, particularly when dealing with billing plans, payment plans, or similar financial processes.
Cause: Invalid Period: The starting period specified does not exist in the system. This could be due to: The period being outside the defined fiscal year or period range. The period being closed or not open for posting. Incorrect configuration in the fiscal year variant.
Configuration Issues: There may be issues with the configuration of the billing or accounting settings, such as: Incorrect settings in the billing plan or contract. Missing or incorrect entries in the relevant tables. Data Entry Errors: The user may have entered an incorrect date or period format.
Solution: Check the Period: Verify that the starting period you are trying to use is valid. You can do this by: Checking the fiscal year variant settings
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