How To Fix /PLMB/BA_RCP409 - Unit of formula item &1 does not match base unit in material master

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMB/BA_RCP -

• Message number: 409

• Message text: Unit of formula item &1 does not match base unit in material master

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PLMB/BA_RCP409 - Unit of formula item &1 does not match base unit in material master ?

  The SAP error message /PLMB/BA_RCP409 indicates that there is a mismatch between the unit of measure defined for a formula item in a recipe and the base unit of measure defined in the material master for that item. This error typically occurs in the context of process industries where recipes and formulas are used.
  Cause:
  
  Unit of Measure Mismatch: The unit of measure (UoM) for the formula item does not match the base unit of measure defined in the material master. For example, if the material master has a base unit of measure of "kg" but the formula item is defined with a unit of measure of "g", this will trigger the error.
  Incorrect Configuration: The recipe or formula may have been incorrectly configured, leading to discrepancies in the units of measure.
  Data Entry Errors: Manual data entry errors when creating or modifying the recipe or material master can lead to mismatches.
  
  Solution:
  
  
  Check Material Master: 
  
  Go to the material master record for the affected item (transaction code MM03).
  Verify the base unit of measure in the Basic Data view.
  
  
  
  Check Recipe/Formula:
  
  Open the recipe or formula (transaction code C201 or C202).
  Check the unit of measure for the formula item that is causing the error.
  Ensure that the unit of measure in the recipe matches the base unit of measure in the material master.
  
  
  
  Adjust Units of Measure:
  
  If the formula item’s unit of measure is incorrect, change it to match the base unit of measure in the material master.
  If the base unit of measure in the material master needs to be changed, ensure that this change is appropriate and does not affect other processes.
  
  
  
  Recheck Dependencies: 
  
  If the material is used in multiple recipes or processes, ensure that changing the unit of measure does not create further inconsistencies.
  
  
  
  Consult Documentation: 
  
  Review any relevant documentation or guidelines for setting up recipes and material masters in your organization to ensure compliance with best practices.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM03: Display Material Master
  C201: Create Recipe
  C202: Change Recipe
  
  
  Unit of Measure Configuration: Ensure that the units of measure are correctly defined in the system settings (transaction code OMU1 for unit of measure settings).
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on handling this error.
  
  By following these steps, you should be able to resolve the error and ensure that the units of measure are consistent across your recipes and material masters.