LINEでログインをお試し頂いた場合、連携設定がされていないLINEアカウントでのログインの場合エラーなしで本画面に遷移する場合があります。連携設定を行ったアカウント、またはログインID/パスワードでのログインをお願いいたします。

Your login request will be failed when you try to login with LINE account not associated with your mcleaner.scopeapps.net account. Plaese login with your ID/Pass for first time login, then connect your LINE account to your account.
If you did, please confirm you use right account. If you changed a phone and created a new LINE account, please login to system with your ID/pass, then configure to connect to right account.
For detail, visit our website: Support Site