How To Fix /SCWM/CON154 - Error during conversion of units of measure (UoM 1: &1, UoM 2: &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/CON -

• Message number: 154

• Message text: Error during conversion of units of measure (UoM 1: &1, UoM 2: &2)

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/CON154 - Error during conversion of units of measure (UoM 1: &1, UoM 2: &2) ?

  The SAP error message /SCWM/CON154 indicates that there is an issue with the conversion of units of measure (UoM) between two different units in the SAP Extended Warehouse Management (EWM) module. This error typically arises when the system is unable to convert quantities from one unit of measure to another due to configuration or data issues.
  Cause:
  
  Missing Conversion Factors: The conversion factors between the two units of measure may not be defined in the system.
  Incorrect UoM Configuration: The units of measure may not be correctly configured in the system, leading to inconsistencies.
  Data Inconsistencies: There may be inconsistencies in the master data related to the materials or products involved in the transaction.
  Unit of Measure Group Issues: The units of measure may not belong to the same unit of measure group, which can prevent conversion.
  Inactive or Incorrect UoM: The UoMs involved may be inactive or incorrectly set up in the system.
  
  Solution:
  
  
  Check UoM Configuration:
  
  Go to the transaction code CUNI (Unit of Measure Conversion) to check if the conversion factors between the two UoMs are defined.
  Ensure that the UoMs are correctly configured and active.
  
  
  
  Define Conversion Factors:
  
  If conversion factors are missing, define them in the system. You can do this by creating a new entry in the UoM conversion table.
  
  
  
  Review Material Master Data:
  
  Check the material master data for the materials involved in the transaction. Ensure that the UoMs are correctly assigned and that the conversion factors are defined.
  
  
  
  Check Unit of Measure Groups:
  
  Ensure that both UoMs belong to the same unit of measure group. If they do not, you may need to adjust the configuration.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for additional guidance on UoM configuration and troubleshooting.
  
  
  
  Testing:
  
  After making the necessary changes, test the transaction again to see if the error persists.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  CUNI: Unit of Measure Conversion
  MM03: Display Material Master
  MM02: Change Material Master
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to UoM conversions.
  
  
  Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  By following these steps, you should be able to identify and resolve the cause of the /SCWM/CON154 error in SAP EWM.