How To Fix RSUOM051 - Source unit of measure &1 not found

SAP Error Message - Details

• Message type: E = Error

• Message class: RSUOM - BW: Conversion of Units of Measure

• Message number: 051

• Message text: Source unit of measure &1 not found

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 RSUOM051 - Source unit of measure &1 not found ?

  The SAP error message RSUOM051 indicates that the source unit of measure (UoM) specified in a transaction or configuration is not found in the system. This error typically occurs when you are trying to perform operations that involve unit conversions or when you are working with materials that have specific unit of measure settings.
  Cause:
  
  Missing Unit of Measure: The specified source unit of measure does not exist in the system. This could be due to a typo or because the unit of measure has not been defined in the system.
  Incorrect Configuration: The material master or the relevant configuration settings may not have the correct units of measure defined.
  Data Inconsistency: There may be inconsistencies in the data, such as missing entries in the unit of measure tables.
  
  Solution:
  
  
  Check Unit of Measure:
  
  Go to the transaction code CUNI (Unit of Measure Conversion) or OMN1 (Define Units of Measure) to check if the source unit of measure exists.
  If it does not exist, you will need to create it.
  
  
  
  Create Missing Unit of Measure:
  
  If the unit of measure is missing, you can create it by using the transaction code CUNI or OMN1.
  Ensure that you define the unit of measure correctly, including its description and any necessary conversion factors.
  
  
  
  Review Material Master:
  
  Check the material master data using transaction code MM03 (Display Material) to ensure that the unit of measure is correctly assigned to the material.
  Verify that the base unit of measure and any alternative units of measure are correctly configured.
  
  
  
  Check Configuration Settings:
  
  Review the configuration settings related to units of measure in the relevant modules (e.g., MM, SD) to ensure that they are set up correctly.
  
  
  
  Data Consistency Check:
  
  Run consistency checks or reports to identify any discrepancies in the unit of measure data.
  
  
  
  Related Information:
  
  
  Unit of Measure Tables: The relevant tables for units of measure in SAP include:
  
  T006: Units of Measure
  T006A: Units of Measure (Language-Dependent)
  T006B: Units of Measure (Conversion Factors)
  
  
  
  Transaction Codes:
  
  CUNI: Maintain Units of Measure
  OMN1: Define Units of Measure
  MM03: Display Material Master
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to unit of measure errors.
  
  
  By following these steps, you should be able to resolve the RSUOM051 error and ensure that the necessary units of measure are correctly defined and configured in your SAP system.