Step 1
Replace the line:
with the following one:
gem 'mini_racer', '>= 0.1.15'
Step 2
Delete Gemfile.lock.
Step 3
Run bundle install.
Step 4
Run bundle exec rake db:migrate again.
Replace the line:
with the following one:
gem 'mini_racer', '>= 0.1.15'
Delete Gemfile.lock.
Run bundle install.
Run bundle exec rake db:migrate again.