How To Fix MC348 - Matchcodes are not supported in Unicode systems (see long text)

SAP Error Message - Details

• Message type: E = Error

• Message class: MC - Aggregate: views, matchcodes, lock objects

• Message number: 348

• Message text: Matchcodes are not supported in Unicode systems (see long text)

What causes this issue?

In Unicode systems, matchcodes are not supported.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Instead of the matchcode, use a database view and, if necessary, a
search help function. The technical details are explained in the CSS
note 24860.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MC348 - Matchcodes are not supported in Unicode systems (see long text) ?

  The SAP error message MC348 indicates that matchcodes are not supported in Unicode systems. This error typically arises when you are trying to use matchcodes in a Unicode-enabled SAP system, which is not supported due to the way Unicode handles character encoding.
  Cause:
  
  Matchcodes: Matchcodes are a legacy feature in SAP that allows users to search for data using alternative keys. They were more commonly used in non-Unicode systems.
  Unicode Compatibility: Unicode systems use a different method for handling character encoding, which does not support the traditional matchcode functionality.
  Configuration Issues: The error may also occur if there are attempts to access or utilize matchcodes that have not been properly configured or are not compatible with the Unicode environment.
  
  Solution:
  
  
  Use Alternative Search Methods: Instead of matchcodes, use alternative search methods such as:
  
  Search Helps: Utilize search helps (F4 help) that are compatible with Unicode.
  SAP Queries: Create queries that can retrieve the required data without relying on matchcodes.
  Custom Reports: Develop custom reports or programs that can fetch data based on the required criteria.
  
  
  
  Check Configuration: Ensure that any custom matchcodes or related configurations are updated or removed if they are not compatible with Unicode.
  
  
  SAP Notes: Check for any relevant SAP Notes or updates that may provide additional guidance or patches related to this issue. SAP frequently releases updates that may address compatibility issues.
  
  
  Consult Documentation: Review the SAP documentation for your specific version to understand the alternatives to matchcodes in a Unicode environment.
  
  
  Contact SAP Support: If the issue persists or if you need further assistance, consider reaching out to SAP support for help with your specific scenario.
  
  
  Related Information:
  
  Unicode Transition: If your organization is transitioning from a non-Unicode to a Unicode system, it is essential to review all custom developments and configurations to ensure compatibility.
  SAP Version: The behavior may vary slightly depending on the version of SAP you are using, so always refer to the documentation specific to your version.
  Training and Resources: Consider training for users and developers on how to effectively use search helps and other features in a Unicode environment.
  
  By following these steps, you should be able to resolve the MC348 error and adapt your processes to work effectively within a Unicode SAP system.