This is the 5841st most frequent Polish word.
zarejestrowanymi
"Zarejestrowanymi" means "registered" in English.
In this sentence, "zarejestrowanymi" is the instrumental plural form of "zarejestrowany", describing data that has been registered.
Nie mogę się zalogować zarejestrowanymi danymi.
I cannot log in with registered data.
Here, "zarejestrowanymi" is used as the instrumental plural form referring to users who are registered.
W systemie pojawił się problem z zarejestrowanymi użytkownikami.
There was an issue with registered users in the system.
In this context, "zarejestrowanymi" describes vehicles that are registered, in instrumental plural form.