* Check unit rails runner "Repository.fetch_changesets" -e production * ErrorLog         /usr/local/rvm/rubies/ruby-2.3.4/lib/ruby/gems/2.3.0/gems/mysql2-0.3.21/lib/mysql2/client.rb:80:in   `_query': Mysql2::Error: Incorrect string value:.......)   (ActiveRecord::StatementInvalid)            from /usr/local/rvm/rubies/ruby-2.3.4/lib/ruby/gems/2.3.0/gems/mysql2-0.3.21/lib/mysql2/client.rb:80:in   `block in query'            from   /usr/local/rvm/rubies/ruby-2.3.4/lib/ruby/gems/2.3.0/gems/mysql2-0.3.21/lib/mysql2/client.rb:79:in   `handle_interrupt'            from /usr/local/rvm/rubies/ruby-2.3.4/lib/ruby/gems/2.3.0/gems/mysql2-0.3.21/lib/mysql2/client.rb:79:in   `query'            from   /usr/local/rvm/rubies/ruby-2.3.4/lib/ruby/gems/2.3.0/gems/activerecord-4.2.7.1/lib/active_record/connection_adapters/abstract_mysql_adapter.rb:309:in   `block in ex...