How To Fix NRSCNV179 - Could not call conversion method of customer exit &1

SAP Error Message - Details

• Message type: E = Error

• Message class: NRSCNV - Message class

• Message number: 179

• Message text: Could not call conversion method of customer exit &1

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message NRSCNV179 - Could not call conversion method of customer exit &1 ?

  The SAP error message NRSCNV179 indicates that there was an issue with calling a conversion method in a customer exit during a data conversion process. This typically occurs in the context of data migration or data transformation tasks, where custom logic is implemented to handle specific data conversion requirements.
  Cause:
  
  Missing or Incorrect Implementation: The customer exit method that is supposed to be called may not be implemented correctly or may be missing entirely.
  Parameter Mismatch: The parameters being passed to the conversion method may not match the expected parameters defined in the method.
  Authorization Issues: The user executing the conversion may not have the necessary authorizations to call the customer exit.
  Runtime Errors: There may be runtime errors within the customer exit code itself, such as unhandled exceptions or logic errors.
  Configuration Issues: The configuration settings for the data conversion process may not be set up correctly, leading to the failure of the conversion method.
  
  Solution:
  
  Check Implementation: Verify that the customer exit method is implemented correctly. Ensure that the method exists and is properly coded.
  Review Parameters: Check the parameters being passed to the conversion method. Ensure they match the expected types and formats.
  Debugging: Use debugging tools to step through the code and identify where the failure occurs. Look for any runtime errors or exceptions that may be thrown.
  Authorization Check: Ensure that the user executing the conversion has the necessary authorizations to access and execute the customer exit.
  Review Logs: Check the application logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the failure.
  Consult Documentation: Review any documentation related to the customer exit to ensure that it is being used correctly.
  Testing: If possible, create a test environment to replicate the issue and test potential fixes without affecting production data.
  
  Related Information:
  
  Customer Exits: These are user-defined enhancements in SAP that allow for custom logic to be executed during standard processes. They are often used in data migration scenarios.
  Data Migration Tools: Familiarize yourself with the tools and methodologies used for data migration in SAP, such as LSMW (Legacy System Migration Workbench) or SAP Data Services.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide guidance on similar issues.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to diagnose and resolve the NRSCNV179 error effectively.