How To Fix CLMM029 - Characteristic & is single value

SAP Error Message - Details

• Message type: E = Error

• Message class: CLMM - Messages for Mass Processing in Classification System

• Message number: 029

• Message text: Characteristic & is single value

<ZH>&CAUSE&</>
You want to assign multiple values to the characteristic, but the
characteristic is a single-value characteristic.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Enter only one value, or change the characteristic's master data in
characteristics management by selecting <ZH>Multiple values</> instead
of <ZH>Single-value</> on the <ZH>Basic data</> tab.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CLMM029 - Characteristic & is single value ?

  The SAP error message CLMM029 indicates that a characteristic is defined as a single value characteristic, but an attempt is being made to assign multiple values to it. This typically occurs in the context of classification in SAP, where characteristics are used to define the properties of materials or other objects.
  Cause:
  
  The characteristic in question is defined in the classification system as a "single value" characteristic, meaning it can only hold one value at a time.
  The user or process is attempting to assign multiple values to this characteristic, which is not allowed.
  
  Solution:
  
  
  Check Characteristic Definition:
  
  Go to the classification system and check the definition of the characteristic. Ensure that it is indeed set as a single value characteristic.
  If you need to allow multiple values, consider changing the characteristic type to "multiple values" if that fits your business requirements.
  
  
  
  Review Data Entry:
  
  Ensure that when entering data, you are only assigning a single value to the characteristic. If you are using a program or transaction that allows for multiple entries, verify that you are not inadvertently trying to assign multiple values.
  
  
  
  Adjust Data Model:
  
  If the business process requires multiple values for this characteristic, you may need to adjust your data model. This could involve creating a new characteristic that allows multiple values or modifying the existing one if appropriate.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for further guidance on handling characteristics and classification.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists and you cannot find a resolution, consider reaching out to SAP support or your internal SAP team for assistance.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CL02 (Change Characteristic) or CL03 (Display Characteristic) to view and modify the characteristics.
  Classification System: Understanding how the classification system works in SAP can help in managing characteristics effectively.
  User Exits and BAdIs: If you are using custom developments, check if there are any user exits or BAdIs that might be affecting the behavior of characteristic assignments.
  
  By following these steps, you should be able to resolve the CLMM029 error and ensure that your characteristics are being used correctly within the SAP system.