Faced fatal error while email confirmation

Question

When I registered on the website it said to verify my email ( as set by me in admin panel) but I did not receive any email. Then I requested for a new email it ave me the following  error :

 

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Question2Answer fatal error:

Could not send email confirmation

Stack trace:

require() /home3/codesms1/public_html/enggexperts/qa/index.php:31
require() /home3/codesms1/public_html/enggexearperts/qa/qa-include/qa-index.php:163
qa_get_request_content() /home3/codesms1/public_html/enggexperts/qa/qa-include/qa-page.php:755
require() /home3/codesms1/public_html/enggexperts/qa/qa-include/qa-page.php:188
qa_send_new_confirm() /home3/codesms1/public_html/enggexperts/qa/qa-include/qa-page-confirm.php:50

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Please tell me how to deal with this on urgent basis as I have to launch my site on new year.

Thanks

Comments

following is my error log

[29-Dec-2012 01:18:57] PHP Question2Answer MySQL query error 1146: Table 'XXXXXX.qa_options' doesn't exist - Query: (SELECT 'options' AS selectkey, title, content FROM qa_options) UNION ALL (SELECT 'time', 'db_time', UNIX_TIMESTAMP(NOW()))
[29-Dec-2012 04:18:46] PHP Question2Answer fatal error: Could not send email confirmation
[29-Dec-2012 04:24:23] PHP Question2Answer fatal error: Could not send email confirmation

Answer 1

I changed the theme but still facing this error

 

Fatal error: Cannot redeclare qa_page_db_fail_handler() (previously declared in /home3/codesms1/public_html/enggexperts/qa/qa-include/qa-page.php:41) in /home3/codesms1/public_html/enggexperts/qa/qa-include/qa-page-confirm.php on line 56