How To Fix MR049 - Incomplete input parameters when calling up the matrix display

SAP Error Message - Details

• Message type: E = Error

• Message class: MR - Stock overview for generic materials

• Message number: 049

• Message text: Incomplete input parameters when calling up the matrix display

What causes this issue?

The function module for matrix display has been called up with missing
input values.

System Response

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

How to fix this error?

Notify your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MR049 - Incomplete input parameters when calling up the matrix display ?

  The SAP error message MR049, which states "Incomplete input parameters when calling up the matrix display," typically occurs in the context of the Materials Management (MM) module, particularly when dealing with invoice verification or purchase order processing. This error indicates that the system is expecting certain input parameters that have not been provided, which prevents the matrix display from being generated.
  Causes:
  
  Missing Input Fields: Required fields in the selection screen or input parameters for the matrix display are not filled out. This could include fields like document type, company code, or other relevant criteria.
  Incorrect Configuration: The configuration settings for the matrix display may not be set up correctly, leading to the system not recognizing the input parameters.
  User Authorization: The user may not have the necessary authorizations to access certain data or functions, which can lead to incomplete parameter handling.
  System Bugs or Issues: There may be bugs or issues in the specific version of SAP being used that affect how input parameters are processed.
  
  Solutions:
  
  Check Input Parameters: Ensure that all required fields on the selection screen are filled out correctly. Review the documentation or help text for the matrix display to identify which fields are mandatory.
  Review Configuration: If you have access, check the configuration settings related to the matrix display in the SAP system. Ensure that all necessary settings are correctly defined.
  User Authorizations: Verify that the user has the appropriate authorizations to access the matrix display. This may involve checking roles and permissions in the SAP system.
  Consult SAP Notes: Look for any relevant SAP Notes or patches that may address this specific error. SAP frequently releases updates that fix known issues.
  Contact Support: If the issue persists, consider reaching out to your internal SAP support team or SAP support for further assistance. They may have additional insights or solutions based on your specific system configuration.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with the transaction codes related to the matrix display and invoice verification, such as MR8M (Cancel Invoice Document) or MRBR (Release Blocked Invoices).
  Documentation: Review SAP documentation or help files related to the MM module and matrix displays for additional context and troubleshooting steps.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, providing insights or solutions from other users.
  
  By following these steps, you should be able to identify and resolve the MR049 error in your SAP system.