How To Fix /ACCGO/CCK_TOLERANCE478 - Cannot convert UOM for material &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /ACCGO/CCK_TOLERANCE -

• Message number: 478

• Message text: Cannot convert UOM for material &1

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 /ACCGO/CCK_TOLERANCE478 - Cannot convert UOM for material &1 ?

  The SAP error message /ACCGO/CCK_TOLERANCE478 indicating "Cannot convert UOM for material &1" typically arises in the context of material management and accounting when there is an issue with the unit of measure (UOM) conversion for a specific material. Here’s a breakdown of the potential causes, solutions, and related information:
  Causes:
  
  Missing UOM Conversion: The system may not have a defined conversion factor between the base unit of measure and the unit of measure being used in the transaction.
  Incorrect UOM Settings: The UOM settings for the material may be incorrectly configured in the material master data.
  Inactive UOM: The unit of measure being used may be inactive or not allowed for the material.
  Data Inconsistencies: There may be inconsistencies in the data related to the material, such as missing or incorrect entries in the material master or related tables.
  Currency Issues: If the transaction involves currency conversion, there may be issues with the currency settings or exchange rates.
  
  Solutions:
  
  
  Check Material Master Data:
  
  Go to the material master (transaction code MM03) and check the UOM settings for the material in question. Ensure that the base unit of measure and any alternative units of measure are correctly defined.
  Verify that the conversion factors between different UOMs are correctly set up.
  
  
  
  Define UOM Conversion:
  
  If the conversion is missing, you can define it in the material master under the "Units of Measure" view. Ensure that the conversion factors are accurate.
  
  
  
  Review UOM Configuration:
  
  Check the configuration settings for UOM in the SAP system (transaction code SPRO). Ensure that the UOMs being used are active and correctly configured.
  
  
  
  Check for Inactive UOM:
  
  Ensure that the UOM you are trying to use is not marked as inactive in the system.
  
  
  
  Data Consistency Check:
  
  Run consistency checks on the material data to identify any discrepancies. You can use transaction codes like MM02 to make necessary corrections.
  
  
  
  Consult with SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance, especially if it involves complex configurations or custom developments.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM03: Display Material Master
  MM02: Change Material Master
  SPRO: Customizing Implementation Guide
  
  
  Documentation: Refer to SAP Help documentation for detailed information on material management and unit of measure settings.
  User Exits and BAdIs: If there are custom developments in your SAP environment, check for any user exits or BAdIs that might affect UOM conversions.
  
  By following these steps, you should be able to identify and resolve the issue related to the UOM conversion error in SAP.