How To Fix ME302 - System error: no internal unit & language &

SAP Error Message - Details

• Message type: E = Error

• Message class: ME - Purchasing: General Messages

• Message number: 302

• Message text: System error: no internal unit & language &

What causes this issue?

The internal unit of measurement is missing in the specified language.

How to fix this error?

INCLUDE NA_SYSADMIN1 LANGUAGE EN

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ME302 - System error: no internal unit & language & ?

  The SAP error message ME302 ("System error: no internal unit & language &") typically occurs in the context of purchasing documents, such as purchase orders or purchase requisitions. This error indicates that the system is unable to find the necessary internal unit of measure or language settings for processing the transaction.
  Causes:
  
  Missing Configuration: The internal unit of measure or language settings may not be configured correctly in the system.
  Master Data Issues: The material master or vendor master data may be incomplete or incorrectly set up, lacking the necessary units of measure or language settings.
  Customizing Settings: There may be issues with the customizing settings in the SAP system that affect how units of measure and languages are handled.
  Data Inconsistencies: There could be inconsistencies in the data that are causing the system to fail to retrieve the necessary information.
  
  Solutions:
  
  
  Check Material Master Data:
  
  Go to the material master (transaction code MM03) and verify that the unit of measure and language settings are correctly maintained for the relevant material.
  Ensure that the internal unit of measure is defined and that it is assigned to the material.
  
  
  
  Check Vendor Master Data:
  
  Use transaction code XK03 to check the vendor master data and ensure that the necessary language and unit of measure settings are correctly maintained.
  
  
  
  Review Customizing Settings:
  
  Check the customizing settings in SPRO (SAP Reference IMG) under the relevant sections for purchasing and materials management to ensure that the units of measure and language settings are properly configured.
  
  
  
  Check User Parameters:
  
  Ensure that the user parameters for the user experiencing the error are set correctly. This can be done in transaction SU01 by checking the user profile.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message. There may be patches or updates that resolve known issues.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the transaction to identify the exact point of failure. This may require assistance from a technical consultant.
  
  
  
  Contact SAP Support:
  
  If none of the above solutions work, consider reaching out to SAP Support for further assistance, providing them with the error details and any relevant transaction codes.
  
  
  
  Related Information:
  
  Transaction Codes: MM03 (Material Master), XK03 (Vendor Master), SPRO (Customizing).
  SAP Notes: Always check for the latest SAP Notes related to your version of SAP, as they may contain specific fixes or workarounds for this error.
  User Documentation: Review SAP documentation for purchasing and materials management for additional context on unit of measure and language settings.
  
  By following these steps, you should be able to identify and resolve the ME302 error in your SAP system.