CaroleAs:
I tried to read the troubleshooting section, but it was way over my understanding. Didn't even understand it if was explaining anything close to what I was experiencing.
Right, I'm saying that the Troubleshooting section needs to be updated to identify the cause of this issue (missing jQuery selectors).
CaroleAs:
Yes, I did enambe the One Page Checkout s under Admin > Config > One page Checkout
Here is one of the several identical logs that was produced.
[25-Aug-2017 02:48:25 America/New_York] Request URI: /index.php?main_page=checkout_one, IP address: 142.167.45.240
#1 require() called at [/home/creat419/public_html/challengemehq.com/includes/templates/responsive_cassel/common/tpl_main_page.php:171]
#2 require(/home/creat419/public_html/challengemehq.com/includes/templates/responsive_cassel/common/tpl_main_page.php) called at [/home/creat419/public_html/challengemehq.com/index.php:97]
[25-Aug-2017 02:48:25 America/New_York] PHP Warning: require(includes/templates/template_default/templates/tpl_checkout_one_default.php): failed to open stream: No such file or directory in /home/creat419/public_html/challengemehq.com/includes/templates/responsive_cassel/common/tpl_main_page.php on line 171
[25-Aug-2017 02:48:25 America/New_York] Request URI: /index.php?main_page=checkout_one, IP address: 142.167.45.240
#1 require() called at [/home/creat419/public_html/challengemehq.com/includes/templates/responsive_cassel/common/tpl_main_page.php:171]
#2 require(/home/creat419/public_html/challengemehq.com/includes/templates/responsive_cassel/common/tpl_main_page.php) called at [/home/creat419/public_html/challengemehq.com/index.php:97]
[25-Aug-2017 02:48:25 America/New_York] PHP Warning: require(includes/templates/template_default/templates/tpl_checkout_one_default.php): failed to open stream: No such file or directory in /home/creat419/public_html/challengemehq.com/includes/templates/responsive_cassel/common/tpl_main_page.php on line 171
[25-Aug-2017 02:48:25 America/New_York] PHP Fatal error: require(): Failed opening required 'includes/templates/template_default/templates/tpl_checkout_one_default.php' (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/creat419/public_html/challengemehq.com/includes/templates/responsive_cassel/common/tpl_main_page.php on line 171
>
> I am not sure how to interpret this message, but I checked and the file tpl_main_page.php is not missing. Does it say that it has to be edited?
That log indicates that the file /includes/templates/template_default/templates/tpl_checkout_one_default.php is missing.