How To Fix DMU146 - Error when converting an internal number (GUID conversion)

SAP Error Message - Details

• Message type: E = Error

• Message class: DMU - Digital Mock Up (DMU)

• Message number: 146

• Message text: Error when converting an internal number (GUID conversion)

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMU146 - Error when converting an internal number (GUID conversion) ?

  The SAP error message DMU146 typically occurs during the conversion of an internal number, particularly when dealing with GUIDs (Globally Unique Identifiers). This error can arise in various contexts, such as data migration, system upgrades, or when using specific SAP tools like the Data Migration Workbench.
  Cause:
  The DMU146 error is generally caused by one of the following issues:
  
  
  Invalid GUID Format: The internal number being processed does not conform to the expected GUID format. GUIDs should be 32 hexadecimal characters, often represented in a specific format (e.g., 8-4-4-4-12).
  
  
  Data Type Mismatch: The system may be trying to convert a data type that is incompatible with the expected GUID format.
  
  
  Corrupted Data: The data being processed may be corrupted or improperly formatted, leading to conversion failures.
  
  
  Configuration Issues: There may be configuration settings in the SAP system that are not aligned with the expected data formats.
  
  
  Solution:
  To resolve the DMU146 error, you can take the following steps:
  
  
  Check the GUID Format: Ensure that the GUIDs being processed are in the correct format. They should be 32 characters long and consist only of hexadecimal digits.
  
  
  Validate Data: Review the data being migrated or processed to ensure there are no corrupted entries or invalid formats.
  
  
  Data Type Verification: Confirm that the data types in your source and target systems match the expected types for GUIDs.
  
  
  Use SAP Tools: Utilize SAP tools like the Data Migration Workbench to validate and convert data. These tools often have built-in checks that can help identify issues.
  
  
  Review Configuration: Check the configuration settings related to data conversion and ensure they are set correctly for handling GUIDs.
  
  
  Consult SAP Notes: Look for relevant SAP Notes or documentation that may provide additional insights or patches related to this error.
  
  
  Debugging: If you have access to the development environment, consider debugging the process to identify the exact point of failure.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for guidelines on data migration and handling GUIDs.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to identify and resolve the DMU146 error related to GUID conversion in SAP.