How To Fix /SAPAPO/MC01_ECV044 - Invalid source of supply (TRPID: &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MC01_ECV -

• Message number: 044

• Message text: Invalid source of supply (TRPID: &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 /SAPAPO/MC01_ECV044 - Invalid source of supply (TRPID: &1) ?

  The SAP error message /SAPAPO/MC01_ECV044 Invalid source of supply (TRPID: &1) typically occurs in the context of Advanced Planning and Optimization (APO) when the system is unable to find a valid source of supply for a specific transaction or planning object. This error can arise due to various reasons, including configuration issues, master data inconsistencies, or incorrect planning parameters.
  Causes:
  
  Invalid or Inactive Source of Supply: The source of supply (like a vendor, plant, or storage location) referenced by the transaction ID (TRPID) may not be valid or may have been deactivated.
  Master Data Issues: The master data for the product or location may not be correctly maintained, leading to the system being unable to identify a valid source.
  Planning Area Configuration: The planning area may not be correctly configured to include the necessary sources of supply.
  Data Consistency Issues: There may be inconsistencies in the data between the APO and the ERP system, especially if there are recent changes or updates.
  Transportation Lane Issues: If the error is related to transportation planning, there may be issues with the transportation lanes defined in the system.
  
  Solutions:
  
  Check Source of Supply: Verify that the source of supply referenced by the TRPID is valid and active. You can do this by checking the relevant master data in the system.
  Review Master Data: Ensure that the master data for the product, location, and any other relevant entities is correctly maintained and up to date.
  Validate Planning Area Configuration: Check the configuration of the planning area to ensure that it includes the necessary sources of supply.
  Data Synchronization: If there have been recent changes in the ERP system, ensure that the data has been synchronized with the APO system. You may need to run the relevant data transfer jobs.
  Check Transportation Lanes: If applicable, review the transportation lanes to ensure they are correctly defined and active.
  Consult Logs and Documentation: Check the application logs for more detailed error messages or warnings that may provide additional context for the issue.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like /SAPAPO/MC62 (to check the source of supply) or /SAPAPO/MC73 (to view the planning book) to investigate further.
  SAP Notes: Look for relevant SAP Notes that may address known issues related to this error message.
  Support: If the issue persists, 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 root cause of the error and implement the necessary solutions to resolve it.