Message type: E = Error
Message class:  RMSL_WUI - Labeling Web UI: RMSL Class Messages Converted for Web UI 
Message number: 280
Message text: Value &1 is not permitted
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.
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The SAP error message RMSL_WUI280, which states "Value &1 is not permitted," typically occurs in the context of the SAP Retail Management System (RMS) or similar modules where specific values or entries are restricted based on predefined criteria.
Cause: Invalid Input: The value entered does not meet the criteria set in the system. This could be due to: The value being outside an acceptable range. The value not being part of a predefined list of allowed values. The value being in the wrong format (e.g., incorrect data type).
Configuration Issues: There may be configuration settings in the system that restrict certain values from being used. Master Data Issues: The master data related to the value being entered may not be correctly set up or may be missing.
Solution: Check Input Value: Verify the value you are trying to enter. Ensure it is valid and conforms to the expected format and range. Review Allowed Values: If applicable, check the list of
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