For anyone who is migrating an account from LINE@, you should pick Log in with LINE account or Log in with LINE app, then enter the same e mail deal with and password which you used for LINE@. 為何要做個簡單修改卻沒辦法存檔，加入好友的自動回覆部分，修改完所需要內容，都存檔了卻返回一直告知尚未完成部分將刪除，按了存檔依然沒有，所以編輯都沒辦法存檔變更，能不能處理一下，整個系統也太多bug... https://bangkokwax93580.ampedpages.com/a-review-of-line-oa-62917228