default-query too large for 19?

[test2a]

C:\Users\Lenovo\Downloads>pdfrip --file 2.pdf default-query --max-length 19 --min-length 19
.___ _____ .__
______ | _// _____||____
____ \ / __ |\ \ __ \ ___
| |> > // | | | | | / | |> >
| /_ | || || || /
|| / || 3.0.0

Error: default-query search space is too large to count exactly for length 19

i have a specific password exactly 19 digits