How To Fix DDLS449 - Return parameter &: & is a generated proxy type and cannot be used

DDLS449 - Overview

• Message type: E = Error

• Message class: DDLS - For DDL source handling

• Message number: 449

• Message text: Return parameter &: & is a generated proxy type and cannot be used

Self-Explanatory Message

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DDLS449 - Details

• The SAP error message DDLS449 indicates that there is an issue with the use of a generated proxy type in a function module or method. This error typically arises when you are trying to use a return parameter that is defined as a proxy type, which is not allowed in certain contexts.
  
  Cause:
  
  Proxy Type Usage: The error occurs when a return parameter is defined as a generated proxy type (often used in web services) and is being used in a way that is not supported. Proxy types are typically generated for communication between systems and may not be directly usable in all contexts.
  Function Module or Method Definition: The function module or method you are trying to call may have been defined incorrectly, or you may be trying to use it in a way that is not compatible with the proxy type.
  
  
  Solution:
  
  Check Function Module/Method Definition: Review the definition of the function module