App Academy

Associations Exercise Error

Hello,
while trying to create and migrate the database from the exercise I’m getting this Error-Message:

Associations_Ex % rails db:setup
wrong number of arguments (given 3, expected 2)
Couldn’t create ‘associations_exercise_development’ database. Please check your configuration.
rails aborted!
ArgumentError: wrong number of arguments (given 3, expected 2)
[…]
bin/rails:3:in load' bin/rails:3:in
Tasks: TOP => db:setup => db:schema:load_if_ruby => db:create
(See full trace by running task with --trace)
Can anybody help me?
Best Regards