How To Fix R!238 - Incorrect unit specified

SAP Error Message - Details

• Message type: E = Error

• Message class: R! -

• Message number: 238

• Message text: Incorrect unit specified

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.

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message R!238 - Incorrect unit specified ?

  The SAP error message R!238 "Incorrect unit specified" typically occurs when there is a mismatch or an invalid unit of measure (UoM) in the context of a transaction or data entry. This can happen in various scenarios, such as during the creation of purchase orders, sales orders, or inventory management.
  Causes:
  
  Invalid Unit of Measure: The unit of measure entered does not exist in the system or is not valid for the material or product being processed.
  Unit of Measure Conversion Issues: There may be issues with the conversion factors between different units of measure, especially if the system is trying to convert between base and alternative units.
  Material Master Data Issues: The material master may not have the correct units of measure defined, or the unit of measure group may not be properly configured.
  Configuration Errors: The configuration settings in the SAP system for units of measure may not be set up correctly.
  
  Solutions:
  
  Check the Unit of Measure: Verify that the unit of measure you are trying to use is valid and exists in the system. You can do this by checking the material master data or the relevant configuration settings.
  Review Material Master Data: Go to the material master (transaction code MM03) and check the units of measure assigned to the material. Ensure that the unit you are trying to use is included in the list of allowed units.
  Check Unit of Measure Group: Ensure that the unit of measure group assigned to the material is correctly configured and includes the necessary units.
  Correct Data Entry: If the error occurred during data entry, double-check the input for typos or incorrect values.
  Consult Configuration Settings: If you have access to configuration settings, check the settings for units of measure in the relevant modules (e.g., MM, SD) to ensure they are correctly defined.
  Contact Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting the SAP community for further assistance.
  
  Related Information:
  
  Transaction Codes: MM03 (Display Material), MM02 (Change Material), and other relevant transaction codes for material management.
  SAP Notes: Check SAP Notes for any known issues or patches related to unit of measure errors.
  Documentation: Refer to SAP documentation for detailed information on unit of measure configuration and management.
  
  By following these steps, you should be able to identify and resolve the cause of the R!238 error in SAP.