password forgotten process fails

[fuco809]

i lost my userpassword and cannot start the password forgotten process. it fails (message attached)
is there a command line (root shell) password reset call?

###message###
EOFError in Devise::PasswordsController#create
end of file reached
Rails.root: /home/thingspeak/thingspeak

Application Trace | Framework Trace | Full Trace
Request
Parameters:

{"utf8"=>"✓",
"authenticity_token"=>"TOKENVAKUE",
"user"=>{"email"=>"EMAIL"},
"commit"=>"Submit"}
...