In recent days, possibly after a routine joomla update, site http://www.radioindies.org keeps failing to load (still loads sometimes) with error message 'this page isn't working - http://www.radioindies.org didn't send any data - ERR_EMPTY_RESPONSE' in Chrome. In Safari it's 'can't open the page because the server dropped the connection'. I raised a support ticket with my ISP, who has responded:

"1) 7700 radioindies.org [Wed May 23 13:16:46 2018] [error] [client 54.36.148.48:59316] AH01215: PHP Warning: Invalid argument supplied for foreach() in /home/sites/http://radioindies.org/public_html/templates/j51_serenity/php/styles.php on line 361: /home/sites/http://radioindies.org/public_html/index.php
7704 radioindies.org [Wed May 23 13:16:57 2018] [error] [client 54.36.149.61:41184] AH01215: PHP Warning: Invalid argument supplied for foreach() in /home/sites/http://radioindies.org/public_html/templates/j51_serenity/php/styles.php on line 361: /home/sites/http://radioindies.org/public_html/index.php
7699 radioindies.org [Wed May 23 13:16:57 2018] [error] [client 54.36.149.61:41184] AH01215: PHP Warning: Invalid argument supplied for foreach() in /home/sites/http://radioindies.org/public_html/templates/j51_serenity/index.php on line 138: /home/sites/http://radioindies.org/public_html/index.php

This error comes up constantly. Could be a number of issues, but you must address this with the template designer.

2) You have not got an .htaccess file. This will help your website performance, with the right settings inside. Consult joomla.org for the correct entries, and also about PHP versions and memory settings.

3) The memory settings need to go into a php.ini file, in your root. This is standard stuff for Joomla sites. It will help your site load quicker. "

What do you reckon? Is there a template problem?

thanks, Mike