How To Fix MR056 - Error while displaying the units of measure allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: MR - Stock overview for generic materials

• Message number: 056

• Message text: Error while displaying the units of measure allowed

What causes this issue?

A serious error occurred while attempting to display the units of
measure allowed for a material.

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 MR056 - Error while displaying the units of measure allowed ?

  The SAP error message MR056 ("Error while displaying the units of measure allowed") typically occurs in the context of materials management, particularly when dealing with purchasing documents or material master data. This error indicates that there is an issue with the units of measure (UoM) configuration or data retrieval in the system.
  Causes of MR056 Error
  
  
  Missing or Incorrect UoM Configuration: The units of measure for the material may not be properly defined in the material master. This can happen if the UoM is not maintained or if there are inconsistencies in the UoM settings.
  
  
  Data Inconsistencies: There may be inconsistencies in the data related to the material or its UoM, such as missing entries in the relevant tables.
  
  
  Authorization Issues: The user may not have the necessary authorizations to view the units of measure for the material.
  
  
  System Errors: There could be temporary system issues or bugs that prevent the proper retrieval of UoM data.
  
  
  Solutions to MR056 Error
  
  
  Check Material Master Data:
  
  Go to the material master (transaction code MM03) and check the UoM settings for the relevant material. Ensure that the base unit of measure and alternative units of measure are correctly defined.
  
  
  
  Review UoM Configuration:
  
  Use transaction code OME1 to check the configuration of units of measure. Ensure that the UoM is correctly set up in the system.
  
  
  
  Check for Data Inconsistencies:
  
  Run consistency checks on the material master data to identify any inconsistencies. You can use transaction code MM02 to make necessary corrections.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the material master and view the UoM. This can be checked with the help of your SAP security team.
  
  
  
  System Logs:
  
  Check the system logs (transaction code SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates available that resolve known issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  MM03: Display Material
  MM02: Change Material
  OME1: Maintain Units of Measure
  SLG1: Display Application Log
  
  
  
  Tables Involved:
  
  MARA: General Material Data
  MARM: Units of Measure for Material
  T006: Units of Measure
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on material management and units of measure.
  
  
  By following these steps, you should be able to diagnose and resolve the MR056 error in SAP.