I cannot use Rails console. Anything that I write there I get the following error.
Any idea?
/Users/macuser/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/irb/ruby-lex.rb:773:in `identify_identifier': invalid byte sequence in UTF-8 (ArgumentError)
from /Users/macuser/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/irb/ruby-lex.rb:731:in `block in lex_int2'
from /Users/macuser/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/irb/slex.rb:236:in `call'
from /Users/macuser/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/irb/slex.rb:236:in `match_io'
from /Users/macuser/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/irb/slex.rb:75:in `match'
from /Users/macuser/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/irb/ruby-lex.rb:286:in `token'
from /Users/macuser/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/irb/ruby-lex.rb:262:in `lex'
from /Users/macuser/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/irb/ruby-lex.rb:233:in `block (2 levels) in each_top_level_statement'
from /Users/macuser/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/irb/ruby-lex.rb:229:in `loop'
from /Users/macuser/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/irb/ruby-lex.rb:229:in `block in each_top_level_statement'
from /Users/macuser/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/irb/ruby-lex.rb:228:in `catch'
from /Users/macuser/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/irb/ruby-lex.rb:228:in `each_top_level_statement'
from /Users/macuser/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/irb.rb:155:in `eval_input'
from /Users/macuser/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/irb.rb:70:in `block in start'
from /Users/macuser/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/irb.rb:69:in `catch'
from /Users/macuser/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/irb.rb:69:in `start'
from /Users/macuser/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.1/lib/rails/commands/console.rb:45:in `start'
from /Users/macuser/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.1/lib/rails/commands/console.rb:8:in `start'
from /Users/macuser/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.1/lib/rails/commands.rb:40:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'
