Argument in the process should be used in the catch section

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Hello everyone
I’m using reframework template.
I have some args (In/out) created in the process which should be used in the business exception section.
I defined the variable as a in/out arg in process
I used the same name to define it in the main and i match them.
The value is null in the business exception value when i execute the robot
Did i miss smthg?