About Invoke Workflow Arguments; how to set the same name parameter?

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Hi,

When I set argument as bellow, child workflow said ‘The following keys from the input dictionary do not map to arguments and must be removed: stA. Please note that argument names are case sensitive.’

Import Argument

{‘Name’, ‘Direction’, ‘Type’, ‘Value’}={‘stA’, ‘In’, ‘string’, ‘stA’}

I want to use the same name parameter in two workflows; child workflow and parent workflow, but I couldn’t.
Is there any idea to solve this problem?

Please help me…!