How to call BAQ Report from Epicor Main Screen and Pass the Value

Thanks for the reply Banderson… Since new to the forum and this is the first post, just updated the issue. In PO screen, in button click, using app-open event, calling baq report designer and doing the json code in launch form options as shown below.


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Similarly , in baq report designer, after form load event code shown below…


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While running the report, getting error as shown below.

Please let me know where i am getting wrong…