How To Fix IM543 - The unit of measurement &1 is not available

SAP Error Message - Details

• Message type: E = Error

• Message class: IM - Maintenance notifications

• Message number: 543

• Message text: The unit of measurement &1 is not available

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message IM543 - The unit of measurement &1 is not available ?

  The SAP error message IM543, which states "The unit of measurement &1 is not available," typically occurs when you are trying to perform an operation that involves a unit of measurement (UoM) that is not defined or not available in the system. This can happen in various contexts, such as inventory management, material master data, or during transactions involving goods movement.
  Causes:
  
  Missing Unit of Measurement: The specified unit of measurement (UoM) is not defined in the system.
  Incorrect Configuration: The UoM may not be correctly configured in the material master or in the relevant settings.
  Inactive UoM: The UoM might be inactive or not assigned to the material in question.
  Data Entry Error: There could be a typographical error in the UoM being used in the transaction.
  
  Solutions:
  
  
  Check Material Master:
  
  Go to the material master record (transaction code MM03) and check if the UoM is defined for the material in question.
  Ensure that the UoM is active and correctly assigned.
  
  
  
  Define UoM:
  
  If the UoM is missing, you can define it using transaction code CUNI (Unit of Measure) to create or modify units of measurement.
  
  
  
  Check UoM Conversion:
  
  If you are using multiple units of measurement, ensure that the conversion factors between them are correctly defined in the material master.
  
  
  
  Review Transaction Data:
  
  Double-check the transaction data you are entering to ensure that there are no typographical errors in the UoM.
  
  
  
  Consult Configuration:
  
  If you have access to configuration settings, check the settings related to units of measurement in the relevant modules (e.g., MM, IM).
  
  
  
  User Authorization:
  
  Ensure that you have the necessary authorizations to access and modify the material master data.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM03: Display Material Master
  CUNI: Maintain Units of Measure
  MMBE: Stock Overview
  
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to UoM.
  Documentation: Refer to SAP Help documentation for detailed information on units of measurement and their configuration.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the relevant module.