How To Fix MK004 - Internal posting error: generic material not specified

SAP Error Message - Details

• Message type: E = Error

• Message class: MK - Mass Handling in the Material Master

• Message number: 004

• Message text: Internal posting error: generic material not specified

What causes this issue?

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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?

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Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MK004 - Internal posting error: generic material not specified ?

  The SAP error message MK004, which states "Internal posting error: generic material not specified," typically occurs during the processing of material movements or inventory transactions. This error indicates that the system is unable to identify a specific material for the transaction, often due to issues with the material master data or the configuration of the material.
  Causes:
  
  Missing Material Master Data: The material you are trying to post may not have been created in the system or may not be properly configured.
  Generic Material: The transaction may be attempting to use a generic material (a placeholder) instead of a specific material number.
  Incorrect Transaction Type: The transaction type being used may not be compatible with the material or the movement type.
  Configuration Issues: There may be issues with the configuration of the material types or movement types in the system.
  Authorization Issues: The user may not have the necessary authorizations to perform the transaction with the specified material.
  
  Solutions:
  
  
  Check Material Master Data:
  
  Verify that the material number exists in the system and is correctly set up in the material master.
  Ensure that the material is active and has the necessary views (e.g., Basic Data, Purchasing, Sales, etc.) maintained.
  
  
  
  Use Specific Material:
  
  If a generic material is being used, replace it with a specific material number that is valid in the system.
  
  
  
  Review Transaction Type:
  
  Ensure that the transaction type you are using is appropriate for the material and the movement type. Check if the movement type is allowed for the material type.
  
  
  
  Check Configuration:
  
  Review the configuration settings for material types and movement types in the SAP system. Ensure that they are set up correctly to allow the transaction you are trying to perform.
  
  
  
  Authorization Check:
  
  Verify that the user has the necessary authorizations to perform the transaction. If not, contact your SAP security administrator to obtain the required permissions.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like MM03 (Display Material), MMBE (Stock Overview), or MB1A (Goods Withdrawal) to investigate the material and its status.
  Debugging: If you have access to debugging tools, you can analyze the program logic to identify where the error is occurring.
  SAP Community: Consider searching or posting in the SAP Community forums for additional insights from other users who may have encountered the same issue.
  
  By following these steps, you should be able to identify the root cause of the MK004 error and implement a solution to resolve it.