Problem with mod_logxml

Finding this in the log file. New to ejabberd. Not sure where to even start

ERROR REPORT==== 2013-10-18 17:37:04 ===
Error in process <0.293.0> on node 'ejabberd@localhost' with exit value: {{badmatch,{error,eacces}},[{mod_logxml,open_file,3},{mod_logxml,loop,11}]}

=ERROR REPORT==== 2013-10-18 17:37:04 ===
E(<0.14916.15>:ejabberd_hooks:294) : {badarg,
[{mod_logxml,send_packet,3},
{ejabberd_hooks,run1,3},
{ejabberd_c2s,session_established2,2},
{p1_fsm,handle_msg,10},
{proc_lib,wake_up,3}]}