How To Fix /PLMI/BO_MBOM052 - UnitOfMeasure & not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMI/BO_MBOM -

• Message number: 052

• Message text: UnitOfMeasure & not valid

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PLMI/BO_MBOM052 - UnitOfMeasure & not valid ?

  The SAP error message /PLMI/BO_MBOM052 UnitOfMeasure & not valid typically indicates that the unit of measure (UoM) specified in a Bill of Materials (BOM) or related master data is not recognized or valid in the system. This can occur in various contexts, such as when creating or modifying BOMs, production orders, or material master records.
  Causes:
  
  Invalid Unit of Measure: The UoM specified does not exist in the system or is not defined for the material in question.
  Incorrect Configuration: The UoM may not be properly configured in the system settings, or it may not be assigned to the relevant material type.
  Data Entry Error: There may be a typographical error in the UoM field when entering data.
  Missing UoM in Material Master: The UoM may not be included in the material master record for the specific material.
  Inactive UoM: The UoM might be inactive or flagged for deletion in the system.
  
  Solutions:
  
  
  Check UoM Configuration:
  
  Go to the transaction code CUNI (Unit of Measure Conversion) to check if the UoM is defined in the system.
  Ensure that the UoM is active and correctly configured.
  
  
  
  Verify Material Master:
  
  Use transaction code MM03 to display the material master record and check if the UoM is listed under the relevant views (e.g., Basic Data, Purchasing, Sales).
  If the UoM is missing, you may need to add it using transaction code MM02 (Change Material).
  
  
  
  Correct Data Entry:
  
  Review the data entry for any typographical errors in the UoM field. Ensure that the UoM matches the expected format and spelling.
  
  
  
  Check BOM Configuration:
  
  If the error occurs while working with a BOM, use transaction code CS03 to display the BOM and verify the UoM used for components.
  Ensure that the UoM for each component is valid and corresponds to the material master.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP support team for any specific configurations or settings that may be affecting UoM validity.
  
  
  
  System Settings:
  
  If you have access, check the system settings related to UoM in the customizing settings (transaction code SPRO).
  
  
  
  Related Information:
  
  Unit of Measure Types: Understand the different types of UoMs (e.g., base unit, sales unit, purchasing unit) and how they relate to each other.
  SAP Notes: Check SAP Notes for any known issues or patches related to UoM errors.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to view and modify UoM settings and material master data.
  
  If the issue persists after checking these areas, it may be beneficial to involve your SAP support team or consult with an SAP expert for further troubleshooting.