When a user tries to register, i get error on question2answer to check webserver logs.
A Question2Answer database query failed when generating this page.
A full description of the failure is available in the web server's error log file.
in the logs, the error is
2015/01/14 15:11:13 [error] 44771#0: *3147 FastCGI sent in stderr: "PHP message: PHP Question2Answer MySQL query error 1048: Column 'content' cannot be null - Query: REPLACE qa_userprofile (title, content, userid) VALUES ('operating-system', NULL, '6')" while reading response header from upstream, client: 173.245.51.213, server: www.qa.appuals.com, request: "POST /register?to= HTTP/1.1", upstream: "fastcgi://unix:/var/run/php5-fpm.sock:", host: "qa.appuals.com", referrer: "
http://qa.appuals.com/"
2015/01/14 15:24:18 [error] 44769#0: *3735 FastCGI sent in stderr: "PHP message: PHP Question2Answer MySQL query error 1048: Column 'content' cannot be null - Query: REPLACE qa_userprofile (title, content, userid) VALUES ('operating-system', NULL, '7')" while reading response header from upstream, client: 173.245.51.213, server: www.qa.appuals.com, request: "POST /register?to= HTTP/1.1", upstream: "fastcgi://unix:/var/run/php5-fpm.sock:", host: "qa.appuals.com", referrer: "
http://qa.appuals.com/"