Redcar Text ide on ubuntu acces permision denied

[hoboy]

I have install redcar ide.
but when I try to launch it
I get the following errors.

Redcar 0.11 ( x86_64-linux )
/home/mark/.rvm/gems/ruby-1.9.2-p136/gems/redcar-0.11/lib/redcar.rb:255:in `initialize': Permission denied - /home/mark/.redcar/user.log (Errno::EACCES)
from /home/mark/.rvm/gems/ruby-1.9.2-p136/gems/redcar-0.11/lib/redcar.rb:255:in `open'
from /home/mark/.rvm/gems/ruby-1.9.2-p136/gems/redcar-0.11/lib/redcar.rb:255:in `log_file'
from /home/mark/.rvm/gems/ruby-1.9.2-p136/gems/redcar-0.11/lib/redcar.rb:241:in `log'
from /home/mark/.rvm/gems/ruby-1.9.2-p136/gems/redcar-0.11/bin/redcar:31:in `<top (required)>'
from /home/mark/.rvm/gems/ruby-1.9.2-p136/bin/redcar:19:in `load'
from /home/mark/.rvm/gems/ruby-1.9.2-p136/bin/redcar:19:in `<main>'

[powerslave12r]

Did you find a solution to this problem?

It would be a great help to me if you could share it in case you did.