Internal Server Error

[oneyozfest182]

During checkout, my site is giving me the following error:

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Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator, cgiadmin@yourhostingaccount.com and inform them of the time the error occurred, and anything you might have done that may have caused the error.

More information about this error may be available in the server error log.

Additionally, a 500 Internal Server Error error was encountered while trying to use an ErrorDocument to handle the request.

Here is my server details:
Joomla! 3.7.2
VirtueMart 3.2.2
PHP 5.6.30

I know PHP 7.0 is available, but I have to make sure all of my other sites are updated prior to updating my PHP version, (as the new version breaks some of the older sites I have, and I use shared hosting).

Any help is greatly appreciated!

[K&K media production]

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More information about this error may be available in the server error log.

[GJC Web Design]

try https://www.rupostel.com/utilities-for-joomla/extensions/fatal-catcher-plugin

[hellorain]

Hello,

Error log on your server will help you.

Best Regards,
hellorain.