How To Fix CM_SUB_DATA018 - Value assignment type &1 permits only one instance; delete the others

CM_SUB_DATA018 - Overview

• Message type: E = Error

• Message class: CM_SUB_DATA - Substance Data (Header, ID, Reference, Materials)

• Message number: 018

• Message text: Value assignment type &1 permits only one instance; delete the others

What causes this issue?

In Customizing, it was specified that the value assignment type &v1& can
only have one <DS:GLOS.3621B3A9B2CE569BE10000009B38F9B7>value assignment
instance</>. However, several exist.

System Response

Data is displayed as for a multiple value assignment.

How to fix this error?

Delete the superfluous value assignment instances.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CM_SUB_DATA018 - Value assignment type &1 permits only one instance; delete the others ?

  The SAP error message CM_SUB_DATA018 indicates that there is an issue with the value assignment type in your configuration. Specifically, it means that the value assignment type you are trying to use allows only one instance, but there are multiple instances present in your configuration.
  
  Cause:
  The error typically arises in the context of configuration settings related to characteristics and value assignments in SAP, particularly in the areas of variant configuration or classification. The specific causes can include:
  
  Multiple Instances: You have assigned the same value assignment type to multiple instances of a characteristic where only one is allowed.
  Incorrect Configuration: The configuration of the characteristic or the value assignment type may not be set up correctly, leading to conflicts.
  Data Entry Errors: There may have been an error during data entry or configuration that resulted in duplicate assignments.
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Identify the Instances: Determine which instances of the value