How To Fix OO293 - Parameter &1 &2 &3: only BYVALUE allowed ( event parameter )

SAP Error Message - Details

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 293

• Message text: Parameter &1 &2 &3: only BYVALUE allowed ( event parameter )

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message OO293 - Parameter &1 &2 &3: only BYVALUE allowed ( event parameter ) ?

  The SAP error message OO293 indicates that there is an issue with the way parameters are being passed in an event in ABAP Object-Oriented programming. Specifically, it states that only parameters passed by value (BY VALUE) are allowed for event parameters.
  
  Cause:
  This error typically occurs when you attempt to define an event in a class and include parameters that are not compatible with the event's requirements. In ABAP, event parameters must be passed by value, meaning that the actual data is passed rather than a reference to the data. If you try to pass parameters by reference (BY REFERENCE), the system will raise this error.
  
  Solution:
  To resolve this error, you need to ensure that all parameters defined in the event are passed by value. Here are the steps you can take:
  
  
  Check Event Definition: Review the event definition in your class. Ensure that all parameters are defined correctly and are intended to be