How To Fix DO374 - User type & is a generated proxy type

SAP Error Message - Details

• Message type: E = Error

• Message class: DO - Dictionary: Mass activation of domains and data elements

• Message number: 374

• Message text: User type & is a generated proxy type

What causes this issue?

For proxy generation, data types (proxy types) - among others - are
also generated. These include data elements, structures, and table
types. These generate proxy types must only be used in other generated
proxy types.
In a data type that is not a generated proxy type, you used a generated
proxy type.

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?

Use a data type with the requested attributes, but a data type that is
not a generated proxy type.

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 DO374 - User type & is a generated proxy type ?

  The SAP error message DO374 indicates that the user type you are trying to use is a generated proxy type. This typically occurs in the context of SAP's Object-Oriented Programming (OOP) or when working with Web Services and Proxy Objects.
  Cause:
  
  Generated Proxy Type: The error suggests that the user type you are trying to use is not a standard type but rather a proxy type that has been generated by the system. Proxy types are often created for communication between different systems, especially in scenarios involving Web Services or Remote Function Calls (RFC).
  Incorrect Usage: The error may arise if you are trying to use a proxy type in a context where a standard type is expected, or if the proxy type has not been properly defined or instantiated.
  
  Solution:
  
  Check Type Definition: Ensure that the type you are trying to use is correctly defined in the system. You can check the type definition in the ABAP Dictionary (transaction SE11) or in the relevant service definition.
  Use Correct Type: If you are trying to use a proxy type, make sure that you are using it in the correct context. For example, if you are calling a method that expects a standard type, you may need to convert or map the proxy type to the expected type.
  Regenerate Proxy: If the proxy type is not functioning as expected, consider regenerating the proxy. This can be done using transaction SPROXY or by using the relevant tools for your specific scenario.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as there may be fixes related to proxy handling in newer versions.
  Consult Documentation: Review the SAP documentation related to the specific proxy type you are working with, as there may be specific guidelines or requirements for its usage.
  
  Related Information:
  
  Transaction Codes: 
  
  SE11: Data Dictionary for checking type definitions.
  SPROXY: For managing and generating proxy objects.
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to proxy types.
  Community Forums: Consider checking SAP Community forums or other developer forums for similar issues and solutions shared by other users.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.