CL logon fails (the password field is skipped)

The following problem occurred. If I try to log in by CL (pressing Ctrl + Alt + F1), I can enter my username after pressing enter, the pw field is omitted and after 3 seconds. It tells me to log in incorrectly After that, it skips the login field and tells me to log in incorrectly 4 more times.

Ubuntu 18 ...

Login Laptop-01: asd
Password:

Incorrect access
Login Laptop-01:

Incorrect access
Login Laptop-01:

Incorrect access
...

I can log in by GUI and access everything, change users in the shell …