How To Fix MMRP01082 - Matrix explosion exited with fatal error; see log

SAP Error Message - Details

• Message type: E = Error

• Message class: MMRP01 - Rapid Planning Matrix

• Message number: 082

• Message text: Matrix explosion exited with fatal error; see log

What causes this issue?

A fatal error has occurred.

System Response

The system terminates the RPM planning run.

How to fix this error?

Check the cause in the application log, object RPM.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MMRP01082 - Matrix explosion exited with fatal error; see log ?

  The SAP error message MMRP01082, which states "Matrix explosion exited with fatal error; see log," typically occurs during the matrix explosion process in the Material Requirements Planning (MRP) module. This process is responsible for generating dependent requirements for materials based on the bill of materials (BOM) and production orders.
  Causes:
  
  Data Inconsistencies: There may be inconsistencies in the BOM or routing data, such as missing components or incorrect quantities.
  Configuration Issues: Incorrect configuration settings in the MRP or BOM settings can lead to errors during the matrix explosion.
  Large Data Volume: If the system is trying to process a very large amount of data, it may exceed memory limits or timeouts.
  Missing Master Data: Required master data (like material master records or vendor information) may be missing or incomplete.
  Custom Code Issues: If there are custom enhancements or modifications in the MRP process, they may introduce errors.
  
  Solutions:
  
  Check the Logs: The error message suggests checking the logs for more detailed information. Look for specific error messages or warnings that can provide insight into what went wrong.
  Validate BOM and Routing: Ensure that all BOMs and routings are correctly defined and that all components are available and correctly configured.
  Review Configuration Settings: Check the MRP configuration settings to ensure they are set up correctly for your business processes.
  Test with Smaller Data Sets: If the issue is related to data volume, try running the matrix explosion with a smaller set of data to see if it completes successfully.
  Check Master Data: Ensure that all necessary master data is complete and accurate. This includes material master records, vendor information, and any other relevant data.
  Debug Custom Code: If there are custom enhancements, review the code for potential issues that could be causing the error.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like MD04 (Stock/Requirements List) or MD05 (Individual Display of MRP List) to analyze the MRP situation.
  SAP Community: Engaging with the SAP Community forums can provide additional insights and solutions from other users who may have encountered similar issues.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if you have a support contract.
  
  By following these steps, you should be able to identify the root cause of the MMRP01082 error and implement a solution to resolve it.