undefined method `senses' for nil:NilClass/Users/wildcat/Downloads/201701/temp/dubsar/db/migrate/20101105231754_create_verb_frames.rb:69:in `block (2 levels) in up'

While executing `bundle exec rake db:migrate`:
```bash
undefined method `senses' for nil:NilClass/Users/wildcat/Downloads/201701/temp/dubsar/db/migrate/20101105231754_create_verb_frames.rb:69:in `block (2 levels) in up'
```