How To Fix O1589 - Conversion from BUoM &1 into contract unit of measure &2 failed.

O1589 - Overview

• Message type: E = Error

• Message class: O1 - IS-Oil : Message pool exchanges

• Message number: 589

• Message text: Conversion from BUoM &1 into contract unit of measure &2 failed.

What causes this issue?

The automatic creation of the purchase order failed. It was not
possible to convert the assigned quantity into the purchase order unit
of measure (same unit of measure as in the assigned purchase contract).

How to fix this error?

Please check:
- Whether or not the correct units of measure are being used
- Whether or not the conversion between the base unit of measure and
thecontract unit of measure has been maintained.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message O1589 - Conversion from BUoM &1 into contract unit of measure &2 failed. ?

  The SAP error message O1589 indicates that there is a problem with the conversion of a base unit of measure (BUoM) into a contract unit of measure (CUoM). This typically occurs in scenarios involving materials management, sales and distribution, or contract management where different units of measure are used.
  
  Cause:
  
  Unit of Measure Configuration: The conversion factor between the base unit of measure and the contract unit of measure may not be defined in the system.
  Incorrect Unit of Measure: The unit of measure being used may not be valid or recognized in the context of the transaction.
  Missing Data: There may be missing or incorrect data in the material master or contract that prevents the conversion.
  Inconsistent Settings: The settings in the material master or the contract may not be consistent with the expected units of measure.
  
  
  Solution:
  
  
  Check Unit of Measure Configuration:
  
  Go to the transaction code CUNI (Unit of Measure Conversion) to check if the