How To Fix /SAPAPO/CA_EMH_UI004 - Combination of &1 and &2 is not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CA_EMH_UI -

• Message number: 004

• Message text: Combination of &1 and &2 is not valid

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CA_EMH_UI004 - Combination of &1 and &2 is not valid ?

  The SAP error message /SAPAPO/CA_EMH_UI004 Combination of &1 and &2 is not valid typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with the combination of certain parameters or values that are being used in a planning scenario. The placeholders &1 and &2 in the error message represent specific values that are causing the issue, such as a combination of a product and a location, or a planning version and a key figure.
  Cause:
  
  Invalid Combinations: The most common cause of this error is that the combination of the two parameters (e.g., product and location) does not exist in the system or is not valid for the current planning scenario.
  Master Data Issues: There may be missing or incorrect master data related to the product, location, or other relevant entities.
  Planning Version: The planning version being used may not be compatible with the combination of the parameters.
  Data Locking: Sometimes, data locking issues can prevent valid combinations from being processed.
  
  Solution:
  
  Check Master Data: Verify that the master data for the product and location (or other relevant entities) is correctly maintained in the system. Ensure that the combination exists and is active.
  Review Planning Version: Ensure that the planning version you are using is appropriate for the combination of parameters. You may need to switch to a different version or create a new one that includes the necessary combinations.
  Data Consistency: Check for any inconsistencies in the data that might be causing the issue. This includes checking for any missing entries in the relevant tables.
  Transaction Logs: Review transaction logs or error logs for additional details that might provide more context about the error.
  Consult Documentation: Refer to SAP documentation or help resources for specific details about the parameters involved in the error message.
  Contact Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like /SAPAPO/MC62 (for checking master data) or /SAPAPO/DP (for demand planning) to investigate further.
  SAP Notes: Check for any relevant SAP Notes that might address known issues related to this error message.
  Community Forums: SAP Community forums can be a valuable resource for finding similar issues faced by other users and potential solutions.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.