You have a WordPress website and it’s been humming along without any problems. Then BAM! You recently try to log in to your WordPress website’s back end and receive the following error message:
The site is experiencing technical difficulties. Please check your site admin email inbox for instructions.
Why Am I Getting This Error Message When I Try to Log In To WordPress?
Some may believe this error message is the result of upgrading to WP 5.2 (which has a built-in feature which detects when a plugin or theme has a compatibility issue and notifies you with this via an automated email). While this could be a possibility, in my case, what I’ve discovered is that the cause seems to be an issue with a theme or plugin not being compatible with the latest version of PHP that my hosting provider is running on its servers. So, for example, my hosting provider had recently upgraded its servers from PHP 5.6 to 7.2 and then I got this error.
What Can I Do To Fix This WordPress Log In Error?
You may want to log in to your hosting account and determine which version of PHP you’re on. If you’re running on 7.2, chances are that if you go back to a lower version (in my case, 5.6), then this may fix this issue and you may be able to resume logging in to WordPress. That certainly was the case for me. As always, proceed with caution and contact your hosting provider FIRST, to troubleshoot this issue.
By the way, if you’re running a much older WordPress theme and have not bothered to update it as the updates become available from the theme developer, you may want to back up your WP site and then upgrade your theme as well as your plugins. This may end up resolving the issue without the need to downgrade back to a lower version of PHP. In fact, you may also find other “functional” errors within your Theme’s backend that may no longer work because of the older theme’s incompatibility with a higher version of PHP.
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