How To Fix /ISDFPS/MM_CS002 - Unpermitted combination in cross-system purchase requisition &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/MM_CS -

• Message number: 002

• Message text: Unpermitted combination in cross-system purchase requisition &1

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 /ISDFPS/MM_CS002 - Unpermitted combination in cross-system purchase requisition &1 ?

  The SAP error message /ISDFPS/MM_CS002 Unpermitted combination in cross-system purchase requisition &1 typically occurs in the context of cross-system purchase requisitions, particularly when there are inconsistencies or misconfigurations in the data being processed. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  Incompatible System Settings: The systems involved in the cross-system purchase requisition may have incompatible settings or configurations, such as different purchasing organizations, plants, or company codes.
  Missing Master Data: Required master data (like vendor, material, or purchasing info records) may not be available or properly configured in one of the systems.
  Authorization Issues: The user may not have the necessary authorizations to create or process cross-system purchase requisitions.
  Incorrect Document Type: The document type used for the purchase requisition may not be allowed for cross-system transactions.
  Configuration Issues: There may be configuration issues in the SAP system related to cross-system purchasing.
  
  Solutions:
  
  Check System Configuration: Ensure that the configurations for both systems involved in the cross-system purchase requisition are compatible. This includes checking the settings for purchasing organizations, plants, and company codes.
  Verify Master Data: Confirm that all necessary master data is available and correctly set up in both systems. This includes checking vendor master data, material master data, and purchasing info records.
  Review Authorizations: Ensure that the user has the necessary authorizations to create and process cross-system purchase requisitions. This may involve checking user roles and permissions.
  Document Type Validation: Verify that the document type being used for the purchase requisition is valid for cross-system transactions. If necessary, change the document type to one that is permitted.
  Consult SAP Notes: Check for any relevant SAP Notes or updates that may address this specific error message. SAP frequently releases updates that may resolve known issues.
  Debugging: If the issue persists, consider debugging the process to identify the exact point of failure. This may require assistance from a technical consultant.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on cross-system purchasing and the configuration settings required.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME51N (Create Purchase Requisition) and ME52N (Change Purchase Requisition) to troubleshoot the process.
  
  If the problem continues after trying the above solutions, it may be beneficial to involve your SAP support team or a consultant with expertise in cross-system purchasing to conduct a more in-depth analysis.