How To Fix >0164 - Internal error: Missing conversion &1 -> &2 for line item &3 / &4

SAP Error Message - Details

• Message type: E = Error

• Message class: >0 - General Basis texts

• Message number: 164

• Message text: Internal error: Missing conversion &1 -> &2 for line item &3 / &4

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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Smart SAP Assistant

• What is the cause and solution for SAP error message >0164 - Internal error: Missing conversion &1 -> &2 for line item &3 / &4 ?

  The SAP error message 0164 ("Internal error: Missing conversion &1 -> &2 for line item &3 / &4") typically indicates that there is an issue with data conversion in the system. This error often arises when the system is trying to convert data from one format to another, but it cannot find the necessary conversion routine or mapping for the specified data types.
  Causes:
  
  Missing Conversion Routine: The most common cause is that the system lacks a defined conversion routine for the specified data types (indicated by &1 and &2).
  Data Type Mismatch: There may be a mismatch between the expected data type and the actual data type being processed.
  Configuration Issues: Incorrect configuration in the relevant modules or settings can lead to this error.
  Custom Development: If there are custom programs or enhancements, they may not handle certain data types correctly.
  
  Solutions:
  
  Check Conversion Routines: Verify if the necessary conversion routines exist in the system. You can do this by checking the relevant function modules or data element definitions.
  Review Data Types: Ensure that the data types being processed are compatible and correctly defined in the system.
  Debugging: If you have access to debugging tools, you can trace the execution to identify where the conversion is failing. This can help pinpoint the exact line of code or function module causing the issue.
  Consult Documentation: Review SAP documentation or notes related to the specific transaction or module you are working with to see if there are known issues or patches.
  Check Custom Code: If there are custom developments, review the code to ensure that it correctly handles the data types and conversions.
  SAP Support: If the issue persists, consider reaching out to SAP support with the details of the error, including the context in which it occurs, to get further assistance.
  
  Related Information:
  
  Transaction Codes: Depending on where the error occurs, you may want to check transaction codes related to the specific module (e.g., MM, SD, FI).
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional context.
  Community Forums: SAP Community and other forums can be useful for finding similar issues faced by other users and their solutions.
  
  By following these steps, you should be able to diagnose and resolve the error message effectively.