Here is your error during inastall
Warning: Use of undefined constant WP_PLUGIN_DIR - assumed 'WP_PLUGIN_DIR' (this will throw an Error in a future version of PHP) in /home1/XXX/public_html/wp-content/plugins/wp-optimizer/modules/supporters/cache/db.php on line 11
Warning: require_once(WP_PLUGIN_DIR/wp-optimizer/inc/constants.php): failed to open stream: No such file or directory in /home1/XXX/public_html/wp-content/plugins/wp-optimizer/modules/supporters/cache/db.php on line 11
Fatal error: require_once(): Failed opening required 'WP_PLUGIN_DIR/wp-optimizer/inc/constants.php' (include_path='.:/opt/cpanel/ea-php74/root/usr/share/pear') in /home1/XXX/public_html/wp-content/plugins/wp-optimizer/modules/supporters/cache/db.php on line 11
This is definitely not fixed. Installed your plugin moments ago and now I get the white page error – please advise how to resolve.
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