nitrogen unable to start the server

[Saravana]

I created a web application in erlang using nitrogen,It was wored fine

yesterday just i opened the application but the server doesn't work

i don't know why???

what is the problem??please help me

In terminal displayed

nava@REDACTED:~$ cd navapro/navatest/
nava@REDACTED:~/navapro/navatest$ ./start.sh
Starting Nitrogen.
{error_logger,{{2010,4,16},{12,27,12}},"Cookie file /home/
nava/.erlang.cookie must be accessible by owner only",[]}
{error_logger,{{2010,4,16},{12,27,12}},crash_report,[[{pid,<0.20.0>},
{registered_name,auth},{error_info,{exit,{"Cookie file /home/
nava/.erlang.cookie must be accessible by owner only",
[{auth,init_cookie,0},{auth,init,1},{gen_server,init_it,6},
{proc_lib,init_p_do_apply,3}]},[{gen_server,init_it,6},
{proc_lib,init_p_do_apply,3}]}},{initial_call,{auth,init,
['Argument__1']}},{ancestors,[net_sup,kernel_sup,<0.8.0>]},{messages,
[]},{links,[<0.18.0>]},{dictionary,[]},{trap_exit,true},
{status,running},{heap_size,987},{stack_size,23},{reductions,442}],
[]]}
{error_logger,{{2010,4,16},{12,27,12}},supervisor_report,[{supervisor,
{local,net_sup}},{errorContext,start_error},{reason,{"Cookie file /
home/nava/.erlang.cookie must be accessible by owner only",
[{auth,init_cookie,0},{auth,init,1},{gen_server,init_it,6},
{proc_lib,init_p_do_apply,3}]}},{offender,[{pid,undefined},{name,auth},
{mfa,{auth,start_link,[]}},{restart_type,permanent},{shutdown,2000},
{child_type,worker}]}]}
{error_logger,{{2010,4,16},{12,27,12}},supervisor_report,[{supervisor,
{local,kernel_sup}},{errorContext,start_error},{reason,shutdown},
{offender,[{pid,undefined},{name,net_sup},{mfa,
{erl_distribution,start_link,[]}},{restart_type,permanent},
{shutdown,infinity},{child_type,supervisor}]}]}
{error_logger,{{2010,4,16},{12,27,12}},crash_report,[[{pid,<0.7.0>},
{registered_name,[]},{error_info,{exit,{shutdown,{kernel,start,[normal,
[]]}},[{application_master,init,4},{proc_lib,init_p_do_apply,3}]}},
{initial_call,{application_master,init,
['Argument__1','Argument__2','Argument__3','Argument__4']}},{ancestors,
[<0.6.0>]},{messages,[{'EXIT',<0.8.0>,normal}]},{links,
[<0.6.0>,<0.5.0>]},{dictionary,[]},{trap_exit,true},{status,running},
{heap_size,233},{stack_size,23},{reductions,123}],[]]}
{error_logger,{{2010,4,16},{12,27,12}},std_info,[{application,kernel},
{exited,{shutdown,{kernel,start,[normal,[]]}}},{type,permanent}]}
{"Kernel pid
terminated",application_controller,"{application_start_failure,kernel,
{shutdown,{kernel,start,[normal,[]]}}}"}

Crash dump was written to: erl_crash.dump
Kernel pid terminated (application_controller)
({application_start_failure,kernel,{shutdown,{kernel,start,[normal,
[]]}}})
./start.sh: 9: -eval: not found
./start.sh: 10: -eval: not found
./start.sh: 11: -eval: not found
nava@REDACTED:~/navapro/navatest$