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Michael Ward
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November 26, 2017 at 3:29 pm
I have a WordPress site where we’ve been successfully using EE3 for years. We purchased EE4 and I followed the installation quick start, but after I uploaded EE4, my site crashed and I’ve been getting 500 errors. The hosting provider had to fix the problem by disabling EE3. Now both are installed and both are disabled. I’m afraid to enable EE4 because I’m worried it will crash my site again. What is the problem?
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Michael Ward
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November 26, 2017 at 5:42 pm
My hosting provider has fixed the site, and I have updated to WordPress 4.9, but now when I try to enable EE4, I get the following error:
Warning: Unexpected character in input: ‘\’ (ASCII=92) state=1 in /home1/cloudhan/public_html/wp-content/plugins/event-espresso-core-reg/espresso.php on line 132
Parse error: syntax error, unexpected T_STRING in /home1/cloudhan/public_html/wp-content/plugins/event-espresso-core-reg/espresso.php on line 231
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Tony
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November 27, 2017 at 4:04 am
Hi there,
The reason your site crashed is likely because you had EE3 activated when your activated EE4. You can have either EE3 or EE4 activated on the site, but not both.
Before moving forward, do you have FTP credentials for you site? If not I recommend requesting those from your host, it allows you to fix your site when/if the above ever happens again.
Regarding the errors you have above, do you know which version of PHP your server is running?
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Michael Ward
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November 27, 2017 at 9:19 am
Thanks, I suspected that it was an EE3 vs EE4 conflict. You might want to add that information to your installing-EE4 documentation. Our provided used cPanel interface to disable EE3 and the site came back up.
It looks like we are using PHP 5.4.24.
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Josh
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November 27, 2017 at 10:04 am
The documentation actually does instruct to deactivate EE3 first:
https://eventespresso.com/wiki/how-to-upgrade-event-espresso/#migrate-to-event-espresso-4
If your server is actually using PHP 5.4.24 then you would not see those errors. Can you install the Health Check plugin then check its report in the WP Dashboard?
If the Health Check plugin reports PHP 5.3 or lower you’ll need to contact your host and ask them to update to a supported version of PHP. We recommend PHP 7 or greater.
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Michael Ward
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November 27, 2017 at 11:14 am
Okay, Health Check says it’s really 5.2.17. We’ll contact our provider about an upgrade.
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