I do notice that since I upgraded cPanel yesterday to 11.46 I get these errors, I have my memory set to 512MB and have not had this issue prior to this.
ERROR CoreConsole[2014-11-21 01:25:18] [70d7a] Got invalid response from API request: http://piwikdomain.com/index.php?module=API&method=API.getDefaultMetricTranslations&format=original&serialize=1&trigger=archivephp. The response was empty. This usually means a server error. This solution to this error is generally to increase the value of ‘memory_limit’ in your php.ini file. Please check your Web server Error Log file for more details.
ERROR CoreConsole[2014-11-21 01:25:18] [70d7a] The Piwik URL http://piwikdomain.com/index.php does not seem to be pointing to a Piwik server. Response was ‘’.