A spelling mistake unintentionally or any typing error will have resulted in a way that the system fails to recognize you. If you enter the incorrect email address or password, then you will be failed to login to Facebook. Therefore, you should know suitable solutions that are equally accessible. Keep in mind that even a minor mistake can result in a login failure. Here we will discuss common Facebook login problems. There are a lot of reasons why you are getting trouble in logging. After each passing time, users experience problems in log in. The Facebook sign-in procedure is very straightforward.