Message type: E = Error
Message class:  CUMTX - Variant Configuration - Master Data Maintenance 
Message number: 667
Message text: Invalid value &1 for characteristic &2. Variant table was not changed
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The SAP error message CUMTX667 indicates that there is an issue with the value assigned to a characteristic in a variant configuration scenario. Specifically, the error states that the value provided for a characteristic is invalid, which prevents the variant table from being updated.
Cause: Invalid Characteristic Value: The value &1 provided for the characteristic &2 does not exist in the allowed values for that characteristic. This could be due to a typo, an outdated value, or a value that has not been defined in the system. Missing Configuration: The characteristic may not be properly configured in the variant configuration settings, leading to the inability to accept the provided value. Data Inconsistency: There may be inconsistencies in the master data or configuration data that lead to the characteristic not recognizing the value.
Solution: Check Allowed Values: Verify the allowed values for the characteristic in the configuration settings. You can do this by navigating to the characteristic
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