How To Fix MW870 - Error calling FM 'CTMY_MATRIX_SHELL_WA' &

SAP Error Message - Details

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 870

• Message text: Error calling FM 'CTMY_MATRIX_SHELL_WA' &

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 MW870 - Error calling FM 'CTMY_MATRIX_SHELL_WA' & ?

  The SAP error message MW870, which indicates an issue with calling the function module CTMY_MATRIX_SHELL_WA, typically arises in the context of material management or inventory management processes. This error can occur due to various reasons, including configuration issues, data inconsistencies, or problems with the function module itself.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as missing or incorrect material master data.
  Configuration Issues: The configuration settings for the relevant module (e.g., MM, WM) may not be set up correctly.
  Authorization Issues: The user may not have the necessary authorizations to execute the function module.
  Function Module Issues: The function module CTMY_MATRIX_SHELL_WA itself may have bugs or may not be properly implemented in the system.
  System Performance: If the system is under heavy load, it may lead to timeouts or failures in executing function modules.
  
  Solutions:
  
  Check Data: Verify that all relevant data (e.g., material master, stock levels) is correct and complete. Ensure that there are no missing entries.
  Review Configuration: Check the configuration settings in the relevant modules (e.g., MM, WM) to ensure they are set up correctly.
  User Authorizations: Ensure that the user executing the transaction has the necessary authorizations to call the function module.
  Debugging: If you have access to debugging tools, you can debug the function module to identify the exact point of failure.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve the issue.
  System Performance: Monitor system performance and check for any issues that may be affecting the execution of function modules.
  
  Related Information:
  
  Transaction Codes: Depending on the context of the error, you may want to look into transaction codes related to material management, such as MM01, MM02, MB1A, etc.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including the transaction code, user ID, and any relevant logs.
  Community Forums: You can also check SAP community forums or other online resources where similar issues may have been discussed.
  
  By following these steps, you should be able to identify and resolve the MW870 error in your SAP system.