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

/SAPAPO/MC01_ECV044 - Overview

• 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.

Unfortunately, there isn't any extra information in this error notice.

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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