Message type: E = Error
Message class: OO - Class Builder/API
Message number: 742
Message text: Returning parameters are not allowed as enhancement parameters!
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OO742
- Returning parameters are not allowed as enhancement parameters! ?The SAP error message OO742 ("Returning parameters are not allowed as enhancement parameters") typically occurs when you are trying to use a returning parameter in a method or function module that is being enhanced. In SAP ABAP, returning parameters are not allowed in the context of enhancements because they can lead to ambiguity and complications in the enhancement framework.
Cause: The error arises when: You attempt to define a method or function module with a returning parameter in an enhancement implementation. The enhancement framework does not support returning parameters due to the way it manages the execution flow and the potential for multiple enhancements to be applied.
Solution: To resolve this error, you can consider the following approaches: Remove the Returning Parameter: If possible, modify the method or function module to avoid using a returning parameter. Instead, use an output parameter or change the method signature to return a value through a standard output parameter. Use Output Parameters: Instead
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