Guideline 1.5 - Safety - Developer Information
The support URL specified in your app's metadata, (링크), does not properly navigate to the intended destination.
Specifically, no support contact was found in the support URL.
Next Steps
To resolve this issue, please revise your app's support URL to ensure it directs users to a webpage with support information.
번역해보니 지원 url이 없다는 이유였다.
해당링크가 잘 작동한다는 첨부와 함께 지원 이메일을 추가해서 재제출하기로 했다.