Login with only that device which you regularly to login with facebook.
If the access token does not generate, use another browser. Example : Google Chrome..
After generating Access Token, save it to your device in notepad. so that when you want to login again, you have to just paste that on the main page. If it expires, you have to create a new one.
STEP 1: Login using your Facebook Credentials .

NOTE: Your account is 100% Safe on Crazy Liker. We never store your password, You are directly connected to Facebook to create your access token.