Main page very slow loading

Question

In log of my site i see:
[code][Wed Oct 01 23:09:45 2014] [error] [client 66.249.78.186] PHP Notice: Undefined index: fields in /usr/home/domain/public_html/qa-include/qa-base.php(510) : eval()'d code on line 1983
[Wed Oct 01 23:09:48 2014] [error] [client 66.249.78.186] PHP Notice: Undefined index: fields in /usr/home/domain/public_html/qa-include/qa-base.php(510) : eval()'d code on line 1983
[Wed Oct 01 23:09:51 2014] [error] [client 66.249.78.179] PHP Notice: Undefined index: fields in /usr/home/domain/public_html/qa-include/qa-base.php(510) : eval()'d code on line 1983
[Wed Oct 01 23:09:58 2014] [error] [client 66.249.78.186] PHP Notice: Undefined index: fields in /usr/home/domain/public_html/qa-include/qa-base.php(510) : eval()'d code on line 1983
[Wed Oct 01 23:10:01 2014] [error] [client 66.249.78.186] PHP Notice: Undefined index: fields in /usr/home/domain/public_html/qa-include/qa-base.php(510) : eval()'d code on line 1983
[Wed Oct 01 23:10:04 2014] [error] [client 66.249.78.186] PHP Notice: Undefined index: fields in /usr/home/domain/public_html/qa-include/qa-base.php(510) : eval()'d code on line 1983
[Wed Oct 01 23:10:08 2014] [error] [client 66.249.78.193] PHP Notice: Undefined index: fields in /usr/home/domain/public_html/qa-include/qa-base.php(510) : eval()'d code on line 1983
[Wed Oct 01 23:10:11 2014] [error] [client 66.249.78.186] PHP Notice: Undefined index: fields in /usr/home/domain/public_html/qa-include/qa-base.php(510) : eval()'d code on line 1983
[Wed Oct 01 23:10:14 2014] [error] [client 66.249.78.193] PHP Notice: Undefined index: fields in /usr/home/domain/public_html/qa-include/qa-base.php(510) : eval()'d code on line 1983
[Wed Oct 01 23:10:35 2014] [error] [client 180.76.6.41] PHP Notice: Undefined index: fields in /usr/home/domain/public_html/qa-include/qa-base.php(510) : eval()'d code on line 1983
[Wed Oct 01 23:10:49 2014] [error] [client 66.249.78.193] PHP Notice: Undefined index: fields in /usr/home/domain/public_html/qa-include/qa-base.php(510) : eval()'d code on line 1983
[Wed Oct 01 23:10:54 2014] [error] [client 66.249.69.132] PHP Notice: Undefined index: fields in /usr/home/domain/public_html/qa-include/qa-base.php(510) : eval()'d code on line 1983
[Wed Oct 01 23:16:53 2014] [error] [client 66.249.78.186] PHP Notice: Undefined index: fields in /usr/home/domain/public_html/qa-include/qa-base.php(510) : eval()'d code on line 1983
[Wed Oct 01 23:18:01 2014] [error] [client 66.249.78.179] PHP Notice: Undefined index: fields in /usr/home/domain/public_html/qa-include/qa-base.php(510) : eval()'d code on line 1983
[Wed Oct 01 23:19:49 2014] [error] [client 66.249.78.193] PHP Notice: Undefined index: fields in /usr/home/domain/public_html/qa-include/qa-base.php(510) : eval()'d code on line 1983
[Wed Oct 01 23:21:17 2014] [error] [client 180.76.6.29] PHP Notice: Undefined index: fields in /usr/home/domain/public_html/qa-include/qa-base.php(510) : eval()'d code on line 1983[/code]

Main page of site loading very slow.

What is this bug? How i can fix this?

Thene qawork.
Q2A 1.6.3

 

Answer 1

I'm not sure those notices would cause the issue, but it's likely they are caused by a theme or plugin. Try removing plugins one at a time and see if they stop the notices getting logged.