I installed the Ebay exporter v.9.6 (because I'm using v.1.37 of the Zen Cart) and now I have an error. My front end looks fine but when I go to my /admin I get an error and now I can't even log in...

Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /home/iguaname/public_html/roco4x4/catalog/admin/includes/extra_datafiles/._ebay.php:1) in /home/iguaname/public_html/roco4x4/catalog/includes/functions/sessions.php on line 108

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/iguaname/public_html/roco4x4/catalog/admin/includes/extra_datafiles/._ebay.php:1) in /home/iguaname/public_html/roco4x4/catalog/includes/functions/sessions.php on line 108
Mac OS X  2°āATTRµū2ā˜&˜&com.apple.quarantine0000;4856a4aa;Safari;|com.apple.Safa riThis resource fork intentionally left blank ’’
Warning: Cannot modify header information - headers already sent by (output started at /home/iguaname/public_html/roco4x4/catalog/admin/includes/extra_datafiles/._ebay.php:1) in /home/iguaname/public_html/roco4x4/catalog/admin/includes/init_includes/init_templates.php on line 36

Warning: Cannot modify header information - headers already sent by (output started at /home/iguaname/public_html/roco4x4/catalog/admin/includes/extra_datafiles/._ebay.php:1) in /home/iguaname/public_html/roco4x4/catalog/admin/includes/functions/general.php on line 34

Any idea why the error? Please help me fix it!!!
Go here to see the error: http://www.roco4x4.com/catalog/admin/

Thanks in advance for your help!