Change trytond-admin password error

(tryton) name@pop-os:~/tryton-6.6$ trytond-admin -d tryton6 -p 
/home/name/.virtualenvs/tryton66/bin/trytond-admin:4: DeprecationWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html
  __import__('pkg_resources').require('trytond==6.6.15')
Traceback (most recent call last):
  File "/home/name/.virtualenvs/tryton66/bin/trytond-admin", line 7, in <module>
    exec(compile(f.read(), __file__, 'exec'))
  File "/home/name/tryton-6.6/trytond/bin/trytond-admin", line 31, in <module>
    admin.run(options)
  File "/home/name/tryton-6.6/trytond/trytond/admin.py", line 31, in run
    database.connect()
  File "/home/name/tryton-6.6/trytond/trytond/backend/sqlite/database.py", line 365, in connect
    self._make_uri(), uri=True,
  File "/home/name/tryton-6.6/trytond/trytond/backend/sqlite/database.py", line 439, in _make_uri
    raise IOError("Database '%s' doesn't exist!" % db_path)
OSError: Database '/home/name/db/tryton6.sqlite' doesn't exist!

Was i suppose to make db folder inside that folder? Or what?

I am guessing here, but quite possible you are not loading your configuracion:

trytond-admin -c trytond.conf -d tryton6 -p

so because it does not have the [database] config it defaults to sqlite.
BTW. Where did you find that command?