Execute Query Report API issue

Execute Query Report API issue

Hi,
I want to use Execute Query Report API for custom menu in SDP. In first step I have problem to check API with Postman. I shared Postman screenshot with you to troubleshooting. I don't know I get "Unknown error occurred while processing your request."


In API documentation page, I don't have problem but I have a problem in Postman or other script that develop by  me.

What should I do? What is the cause of this problem?

SDP v11.3.11
DB: PostgreSQL

Thanks for helping
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