Error when using JConnector

[tilt.23]

Warning: Missing argument 2 for plgUserJomSocialUser:nLoginUser() in /home/tiltphot/public_html/plugins/user/jomsocialuser.php on line 32

Warning: Cannot modify header information - headers already sent by (output started at /home/tiltphot/public_html/plugins/user/jomsocialuser.php:32) in /home/tiltphot/public_html/components/com_community/libraries/core.php on line 348

Warning: Cannot modify header information - headers already sent by (output started at /home/tiltphot/public_html/plugins/user/jomsocialuser.php:32) in /home/tiltphot/public_html/modules/mod_jconnector/jconnector_server.php on line 132

Can anyone help me over come this error at all