Online Proposal Appraisal

I am trying to intstall opa-php and getting the following errors on initial signon.. I'm stuck an d signing on to coordinator using guest/guest give me a blank page with error log entries like.....
[client 141.217.4.133] PHP Notice: Undefined variable: login_type in /home/httpd/opa/admin/act_login.php on line 11, referer: http://globalsoulmate.com/admin/
[client 141.217.4.133] PHP Notice: Undefined variable: login_type in /home/httpd/opa/admin/act_login.php on line 25, referer: http://globalsoulmate.com/admin/
q

Please help.

Alex George.

client 141.217.4.133] PHP Notice: A session had already been started - ignoring session_start() in /home/httpd/opa/admin/dsp_login.php on line 8
[client 141.217.4.133] PHP Notice: Undefined variable: session_lang in /home/httpd/opa/admin/dsp_login.php on line 87
[client 141.217.4.133] PHP Notice: Undefined variable: session_lang in /home/httpd/opa/admin/dsp_login.php on line 89
[client 141.217.4.133] PHP Notice: Undefined variable: session_lang in /home/httpd/opa/admin/dsp_login.php on line 94
[client 141.217.4.133] PHP Notice: Undefined variable: session_lang in /home/httpd/opa/admin/dsp_login.php on line 95
[client 141.217.4.133] PHP Notice: Undefined variable: session_lang in /home/httpd/opa/admin/dsp_login.php on line 103
[client 141.217.4.133] PHP Notice: Undefined variable: session_lang in /home/httpd/opa/admin/dsp_login.php on line 104
[client 141.217.4.133] PHP Notice: Undefined variable: session_lang in /home/httpd/opa/admin/dsp_login.php on line 114
[client 141.217.4.133] PHP Notice: Undefined variable: session_lang in /home/httpd/opa/admin/dsp_login.php on line 115
[client 141.217.4.133] PHP Notice: Undefined variable: session_lang in /home/httpd/opa/admin/dsp_login.php on line 123
[client 141.217.4.133] PHP Notice: Undefined variable: session_lang in /home/httpd/opa/admin/dsp_login.php on line 124
[client 141.217.4.133] PHP Notice: Undefined variable: session_lang in /home/httpd/opa/include/footer.php on line 15
[client 141.217.4.133] PHP Notice: Undefined variable: session_lang in /home/httpd/opa/include/footer.php on line 17
[client 141.217.4.133] PHP Notice: Undefined variable: session_lang in /home/httpd/opa/include/footer.php on line 18
[client 141.217.4.133] PHP Notice: Undefined variable: session_lang in /home/httpd/opa/include/footer.php on line 19