Message type: E = Error
Message class:  CUMTX - Variant Configuration - Master Data Maintenance 
Message number: 260
Message text: Characteristic & appears in overview
You want to insert a characteristic.
The system found that this characteristic already exists in the
characteristics overview, so you cannot insert it.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CUMTX260 typically indicates that there is an issue with a characteristic in the context of a configuration or variant configuration scenario. This error message usually appears when a characteristic is not properly defined or is causing issues in the configuration overview.
Cause: Missing or Incorrect Definition: The characteristic may not be defined correctly in the system, or it may be missing altogether. Inconsistent Data: There may be inconsistencies in the data related to the characteristic, such as missing values or incorrect dependencies. Configuration Profile Issues: The configuration profile associated with the material may not be set up correctly, leading to issues with the characteristics. Dependencies: There may be issues with the dependencies (e.g., constraints or selection conditions) related to the characteristic.
Solution: Check Characteristic Definition: Go to the transaction code CT04 to check the definition of the characteristic. Ensure that it is correctly defined and active. Verify that the characteristic is assigned to the correct
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