Installed, but fatal error on activation

  • I’m using WP 4.8.1, running PHP 5.2 on the server. I’ve installed the plugin on a WordPress Network site but it won’t activate. I get the following error. Please help!

    Plugin could not be activated because it triggered a fatal error.

    Warning: require_once(__DIR__/vendor/autoload.php) [function.require-once]: failed to open stream: No such file or directory in /home/***/public_html/***.ca/wordpress/wp-content/plugins/php-compatibility-checker/wpengine-phpcompat.php on line 15

    Fatal error: require_once() [function.require]: Failed opening required ‘__DIR__/vendor/autoload.php’ (include_path=’.:/opt/alt/php52/usr/share/pear:/opt/alt/php52/usr/share/php’) in /home/***/public_html/***.ca/wordpress/wp-content/plugins/php-compatibility-checker/wpengine-phpcompat.php on line 15

Viewing 5 replies - 1 through 5 (of 5 total)

  • I am having the same problem and even worse it won’t let me delete the plugin. Please advise. Thank you!

    Thread Starter freshpromo

    (@freshpromo)

    @cecilia99
    You should be able to remove it if you login via FTP, go to wp-content/plugins/ and delete the ‘php-compatibility-checker’ folder.

    Also, what version of PHP is installed on the server? You can find out by logging into cPanel and going to Software > Select PHP versions. If it’s 5.2 like me, I suspect that is causing the problem. Only a guess on my part, though many wordpress plugins are developed to only work on PHP 5.3 and above.

    You were right it was 5.2 it worked when I upgraded to 5.6. Thanks!

    Just encountered this error on a PHP 5.2 site and can confirm this plugin does not currently work with PHP 5.2.

    I incremented PHP up to 5.4 and was able to activate the plugin fine. Definitely seems to be an issue with running this plugin with PHP 5.2.

Viewing 5 replies - 1 through 5 (of 5 total)
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