Script error: the <a href="https://www.ioncube.com">ionCube</a> Loader for PHP needs to be installed.

The ionCube Loader is the industry standard PHP extension for running protected PHP code,
and can usually be added easily to a PHP installation.

For Loaders please visit <a href="https://get-loader.ioncube.com">get-loader.ioncube.com</a> and for an instructional video please see <a href="http://ioncu.be/LV">http://ioncu.be/LV</a> 

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<b>Fatal error</b>:  Uncaught Error: Call to undefined function wp_salt() in /home/zbmmkcrq/public_html/wp-content/plugins/wp-optimize-premium/includes/class-wp-optimize-utils.php:33
Stack trace:
#0 /home/zbmmkcrq/public_html/wp-content/plugins/wp-optimize-premium/includes/class-wp-optimize-utils.php(43): WP_Optimize_Utils::get_log_file_name()
#1 /home/zbmmkcrq/public_html/wp-content/plugins/wp-optimize-premium/cache/class-wpo-page-cache.php(112): WP_Optimize_Utils::get_log_file_path()
#2 /home/zbmmkcrq/public_html/wp-content/plugins/wp-optimize-premium/cache/class-wpo-page-cache.php(1394): WPO_Page_Cache-&gt;__construct()
#3 /home/zbmmkcrq/public_html/wp-content/plugins/wp-optimize-premium/wp-optimize.php(377): WPO_Page_Cache::instance()
#4 /home/zbmmkcrq/public_html/wp-content/plugins/wp-optimize-premium/includes/class-wpo-page-optimizer.php(41): WP_Optimize-&gt;get_page_cache()
#5 /home/zbmmkcrq/public_html/wp-content/plugins/wp-optimize-premium/includes/class-wpo-page-optimizer.php(26): WPO_Page_Optimizer-&gt;maybe_cache_page()
#6 [internal function]: WPO_Page_Optimizer-&gt;optimize()
#7 /home/zbmmkcrq/public_html/wp-includes/functions.php(5471): ob_end_flush()
#8 /home/zbmmkcrq/public_html/wp-includes/class-wp-hook.php(324): wp_ob_end_flush_all()
#9 /home/zbmmkcrq/public_html/wp-includes/class-wp-hook.php(348): WP_Hook-&gt;apply_filters()
#10 /home/zbmmkcrq/public_html/wp-includes/plugin.php(517): WP_Hook-&gt;do_action()
#11 /home/zbmmkcrq/public_html/wp-includes/load.php(1304): do_action()
#12 [internal function]: shutdown_action_hook()
#13 {main}
  thrown in <b>/home/zbmmkcrq/public_html/wp-content/plugins/wp-optimize-premium/includes/class-wp-optimize-utils.php</b> on line <b>33</b><br />