How To Fix MMRP01549 - 'Only explode detailed sched.matrix' w. 'sel. products' is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: MMRP01 - Rapid Planning Matrix

• Message number: 549

• Message text: 'Only explode detailed sched.matrix' w. 'sel. products' is not possible

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MMRP01549 - 'Only explode detailed sched.matrix' w. 'sel. products' is not possible ?

  The SAP error message MMRP01549, which states "Only explode detailed sched. matrix w. 'sel. products' is not possible," typically occurs in the context of production planning and scheduling within the SAP system. This error is related to the use of the detailed scheduling matrix, particularly when trying to explode a matrix with selected products.
  Cause:
  The error usually arises due to one of the following reasons:
  
  
  Incorrect Selection of Products: The system may not allow the explosion of the detailed scheduling matrix if the selected products do not meet certain criteria or if they are not compatible with the matrix settings.
  
  
  Matrix Configuration Issues: There may be issues with how the detailed scheduling matrix is configured. This could include missing or incorrect settings that prevent the matrix from being exploded.
  
  
  Data Integrity Issues: There may be inconsistencies or missing data in the master data (like material master, BOM, routing, etc.) that are required for the detailed scheduling matrix to function correctly.
  
  
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to perform the action, leading to this error.
  
  
  Solution:
  To resolve the MMRP01549 error, you can take the following steps:
  
  
  Check Product Selection: Ensure that the products you are trying to explode in the detailed scheduling matrix are correctly selected and are compatible with the matrix.
  
  
  Review Matrix Configuration: Verify the configuration of the detailed scheduling matrix. Check if all necessary settings are in place and that the matrix is set up correctly for the products you are working with.
  
  
  Validate Master Data: Ensure that all relevant master data (material master, BOM, routing, etc.) is complete and accurate. Look for any missing or incorrect entries that could be causing the issue.
  
  
  Check Authorizations: Confirm that you have the necessary authorizations to perform the action. If not, contact your SAP administrator to obtain the required permissions.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or updates that may address this specific error message. There may be patches or updates that can resolve the issue.
  
  
  Testing in a Sandbox: If possible, replicate the issue in a test or sandbox environment to further diagnose the problem without affecting production data.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for detailed scheduling and matrix configuration for more insights.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide additional solutions or workarounds.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MD04 (Stock/Requirements List) and MD61 (Create Planned Independent Requirements) that may help in analyzing the situation further.
  
  By following these steps, you should be able to identify the root cause of the MMRP01549 error and implement a suitable solution.