How To Fix MPR1003 - Error &1 in function module &2

SAP Error Message - Details

• Message type: E = Error

• Message class: MPR1 - Messages Transferring Forecast Data from External Systems

• Message number: 003

• Message text: Error &1 in function module &2

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 MPR1003 - Error &1 in function module &2 ?

  The SAP error message MPR1003 typically indicates an issue related to the Material Requirements Planning (MRP) process. The error message format suggests that it is related to a specific function module, which is often involved in MRP calculations or data processing.
  Cause:
  The error message MPR1003 can occur due to various reasons, including but not limited to:
  
  Data Inconsistencies: There may be inconsistencies in the master data, such as material master records, BOMs (Bill of Materials), or routing data.
  Configuration Issues: Incorrect configuration settings in MRP parameters or planning strategies can lead to this error.
  Missing Data: Required data for the MRP process might be missing or incomplete, such as missing planning data for materials.
  Function Module Issues: The specific function module mentioned in the error may have encountered an unexpected condition or exception that it could not handle.
  
  Solution:
  To resolve the MPR1003 error, you can take the following steps:
  
  Check the Function Module: Identify the function module mentioned in the error message and review its documentation or code to understand what conditions might lead to the error.
  Review Master Data: Ensure that all relevant master data (material master, BOM, routing) is complete and correctly configured. Check for any missing or incorrect entries.
  Analyze MRP Configuration: Review the MRP configuration settings in the system. Ensure that the planning parameters are set correctly for the materials in question.
  Run MRP in Debug Mode: If you have access to development tools, you can run the MRP process in debug mode to identify the exact point of failure and gather more information about the error.
  Check Logs and Traces: Look at the application logs (transaction SLG1) or system logs to gather more context about the error.
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address this specific error message or provide patches or updates.
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MD01 (MRP Run), MD02 (Single-item, Multi-level Planning), and MD04 (Stock/Requirements List) to analyze MRP processes.
  MRP Configuration: Understanding MRP configuration settings in SPRO (SAP Project Reference Object) can help in troubleshooting.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  By following these steps, you should be able to diagnose and resolve the MPR1003 error effectively.