How To Fix D9712 - Operation not possible on value assignment type '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: D9 - Environment Management System

• Message number: 712

• Message text: Operation not possible on value assignment type '&1'

What causes this issue?

You attempted to copy entries.

System Response

For technical reasons, you cannot copy dangerous goods data.

How to fix this error?

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message D9712 - Operation not possible on value assignment type '&1' ?

  The SAP error message D9712, which states "Operation not possible on value assignment type '&1'", typically occurs in the context of working with classification or characteristics in SAP, particularly when dealing with value assignment types in the classification system.
  
  Cause:
  This error usually arises due to one of the following reasons:
  
  
  Incompatible Value Assignment Type: The operation you are trying to perform is not supported for the specific value assignment type indicated by '&1'. For example, you might be trying to assign a value to a characteristic that does not allow certain types of operations (like changing or deleting a value).
  
  
  Incorrect Configuration: The configuration of the classification system or the characteristics may not be set up correctly. This could include issues with the value assignment type settings or the characteristics themselves.
  
  
  Data Integrity Issues: There may be issues with the data integrity, such as trying to assign a value that does not conform to