Cannot Connect to DB both Local and Remote > 버그 & 건의

Hello Team, Pls, I am quite new here. I have an issue installing EB-4.7.4 FULL PACKAGE with YC5.6.5, at the stage 3 where i have to put in my database config information its keep returning 잘못된 요청입니다.(Invalid Request). I can connect to my db with other tool, but eyoom couldnt, is there something I am not doing rightly? Pls help