How To Fix CLMM843 - Master data missing for characteristic number & (source system)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 843

• Message text: Master data missing for characteristic number & (source system)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CLMM843 - Master data missing for characteristic number & (source system) ?

  The SAP error message CLMM843 indicates that there is missing master data for a specific characteristic in the context of the SAP system. This typically occurs in scenarios involving classification, where the system expects certain master data to be present for a characteristic but cannot find it.
  Cause:
  
  
  Missing Master Data: The characteristic specified in the error message does not have any associated master data in the system. This could be due to:
  
  The characteristic not being defined in the classification system.
  The master data for the characteristic not being created or activated.
  The data being deleted or not transferred correctly from a source system.
  
  
  
  Incorrect Configuration: The configuration settings for the classification system may not be set up correctly, leading to the inability to find the required master data.
  
  
  Data Transfer Issues: If the data is being transferred from a source system (like an ERP system), there may have been issues during the data transfer process, resulting in missing records.
  
  
  Solution:
  
  
  Check Master Data: Verify that the master data for the characteristic in question exists in the system. You can do this by:
  
  Navigating to the classification data in the SAP GUI.
  Checking the relevant tables (e.g., CABN for characteristics, CAWN for characteristic values).
  
  
  
  Create Missing Master Data: If the master data is indeed missing, you will need to create it. This can be done through:
  
  The transaction code CL02 (Change Characteristic) to create or modify characteristics.
  The transaction code CL01 (Create Characteristic) if you need to create a new characteristic.
  
  
  
  Review Configuration: Ensure that the classification system is configured correctly. Check the settings in the following areas:
  
  Class types and their associated characteristics.
  The configuration of the classification view.
  
  
  
  Data Transfer Validation: If the data is coming from a source system, validate the data transfer process. Ensure that:
  
  The data is being correctly extracted and loaded.
  There are no errors in the data transfer logs.
  
  
  
  Consult Documentation: Review SAP documentation or notes related to the specific error message for additional insights or updates that may pertain to your version of SAP.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CL01, CL02, CL03 (Display Characteristic), and CL20N (Mass Change of Characteristics).
  SAP Notes: Check SAP Notes for any known issues or patches related to the CLMM843 error.
  Support: If the issue persists after checking the above, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By following these steps, you should be able to identify the cause of the CLMM843 error and implement a solution to resolve it.