heroku db:pull が gem から削除された後、タップを使用しようとしています。
taps server mysql2://root@localhost/trappor2 taps taps123
C:/Ruby193/lib/ruby/gems/1.9.1/gems/sequel-3.20.0/lib/sequel/adapters/sqlite.rb:
62:in `initialize': SQLite3::CantOpenException: unable to open database file (Se
quel::DatabaseConnectionError)
from C:/Ruby193/lib/ruby/gems/1.9.1/gems/sequel-3.20.0/lib/sequel/adapte
rs/sqlite.rb:62:in `new'
from C:/Ruby193/lib/ruby/gems/1.9.1/gems/sequel-3.20.0/lib/sequel/adapte
rs/sqlite.rb:62:in `connect'
from C:/Ruby193/lib/ruby/gems/1.9.1/gems/sequel-3.20.0/lib/sequel/databa
se/misc.rb:45:in `block in initialize'
from C:/Ruby193/lib/ruby/gems/1.9.1/gems/sequel-3.20.0/lib/sequel/connec
tion_pool.rb:92:in `call'
from C:/Ruby193/lib/ruby/gems/1.9.1/gems/sequel-3.20.0/lib/sequel/connec
tion_pool.rb:92:in `make_new'
このエラーの原因は何ですか?