error_log over 2gb in size!

Hi all,

I found today that my clients site had an error_log of 2.7gb!

I just deleted the file, but within about 3 hours, it’s already up to 50mb.

Can anyone shed any light on this for me? It makes no sense at all to me?!?!?

Top few lines of the log below:

[13-Dec-2015 14:44:07 UTC] WordPress database error You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘djamena”;}s:13:”107.172.9.152″;a:4:{s:4:”date”;s:19:”2015-05-10 14:39:04″;s:4:”h’ at line 5 for query UPDATE wp_postmeta t1
INNER JOIN wp_postmeta t2 ON ( t2.meta_key = ‘hits’ AND t2.post_id = t1.post_id)
INNER JOIN wp_postmeta t3 ON ( t3.meta_key = ‘last_visitor’ AND t3.post_id = t1.post_id)
INNER JOIN wp_postmeta t4 ON ( t4.meta_key = ‘hits_array’ AND t4.post_id = t1.post_id)
SET t2.meta_value = ‘30390’, t3.meta_value = ‘2015-12-13 14:44:07’, t4.meta_value = ‘a:207:{s:10:”2015-05-05″;a:70:{s:13:”158.222.9.247″;a:4:{s:4:”date”;s:19:”2015-05-05 00:38:32″;s:4:”hits”;i:1;s:7:”country”;s:13:”United States”;s:4:”city”;s:10:”Wilmington”;}s:11:”45.61.33.26″;a:4:{s:4:”date”;s:19:”2015-05-05 01:09:13″;s:4:”hits”;i:1;s:7:”country”;s:13:”United States”;s:4:”city”;s:11:”Albuquerque”;}s:14:”162.244.10.189″;a:4:{s:4:”date”;s:19:”2015-05-05 01:39:42″;s:4:”hits”;i:1;s:7:”country”;s:13:”United States”;s:4:”city”;s:11:”Los Angeles”;}s:13:”192.255.98.77″;a:5:{s:4:”date”;s:19:”2015-05-05 02:10:45″;s:4:”hits”;i:2;s:10:”last_visit”;s:19:”2015-05-05 02:10:56″;s:7:”country”;s:13:”United States”;s:4:”city”;s:8:”New York”;}s:13:”14.207.186.19″;a:4:{s:4:”date”;s:19:”2015-05-05 02:19:14″;s:4:”hits”;i:1;s:7:”country”;s:8:”Thailand”;s:4:”city”;s:7:”Bangkok”;}