How To Fix BSCL037 - Error in class type &1: Internal class types are not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: BSCL -

• Message number: 037

• Message text: Error in class type &1: Internal class types are not supported

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 BSCL037 - Error in class type &1: Internal class types are not supported ?

  The SAP error message BSCL037 indicates that there is an issue with the class type being used in your ABAP program or configuration. Specifically, the message states: "Error in class type &1: Internal class types are not supported." This typically occurs when the system encounters a class type that is not recognized or is not supported in the context where it is being used.
  Cause
  The error can be caused by several factors:
  
  Incorrect Class Type: The class type specified in the code or configuration is not valid or is an internal class type that cannot be used in the current context.
  Misconfiguration: There may be a misconfiguration in the class definition or instantiation.
  Version Compatibility: The class type may not be supported in the version of SAP you are using.
  Syntax Errors: There could be syntax errors in the ABAP code that lead to the system misinterpreting the class type.
  
  Solution
  To resolve the BSCL037 error, you can take the following steps:
  
  
  Check Class Definition: Verify that the class type specified in the error message is correctly defined and is a valid class type. Ensure that it is not an internal class type.
  
  
  Review Code: Look at the ABAP code where the error occurs. Ensure that you are using the correct syntax for class instantiation and that the class is accessible in the current context.
  
  
  Use Supported Class Types: If you are using an internal class type, consider switching to a supported class type. Review the documentation for the specific class types that are allowed in your context.
  
  
  Debugging: Use the ABAP debugger to step through the code and identify where the error is being triggered. This can help you pinpoint the exact line of code causing the issue.
  
  
  Check SAP Notes: Look for any relevant SAP Notes or updates that may address this issue. Sometimes, specific errors are documented with solutions or workarounds in the SAP Support Portal.
  
  
  Consult Documentation: Review the SAP documentation for the specific module or functionality you are working with to ensure that you are following the correct procedures and using the appropriate class types.
  
  
  Seek Help from SAP Community: If you are unable to resolve the issue, consider reaching out to the SAP Community or forums for assistance. Provide details about the error, the context in which it occurs, and any relevant code snippets.
  
  
  Related Information
  
  SAP Documentation: Always refer to the official SAP documentation for the version you are using to understand the supported class types and their usage.
  ABAP Development Guidelines: Familiarize yourself with ABAP development best practices to avoid common pitfalls related to class types and object-oriented programming in ABAP.
  SAP Support: If the issue persists, consider opening a support ticket with SAP for further assistance.
  
  By following these steps, you should be able to identify and resolve the BSCL037 error in your SAP environment.