Allow Access-Control-Allow-Origin for Custom Menu

Allow Access-Control-Allow-Origin for Custom Menu

Hi,
I want to create a custom pop-up menu for create issue in our issue tracker (Not JIRA). I need to call APi by javascript library like axios, but unfortunately I get error "Allow Access-Control-Allow-Origin". I see this post and follow this instruction and also I have error on browser console. I attached security settings and browser console log

SDP: v11.1.32
DB: MS SQL

What should I do? Please answer me ASAp

Thanks for helping

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