problem was detected with the TrueDepth camera. Face ID has been disabled.

What was the result when you followed the guidance in the Related Article above your name on this page, that you were reading just before you posted here? If the Related Article doesn't answer your question please post back with more details about the issue and another user in this user-to-user forum will try to help.

This is almost always a hardware problem; contact Apple using the Get Support link to get it resolved.