Fatal error: Uncaught Error: Call to undefined function is_plugin_active() in /customers/c/3/c/ingridvonwerz.com/httpd.www/wp-content/plugins/post-types-order/compatibility/LiteSpeed_Cache.php:16
Stack trace:
#0 /customers/c/3/c/ingridvonwerz.com/httpd.www/wp-content/plugins/post-types-order/compatibility/LiteSpeed_Cache.php(35): PTO_LiteSpeed_Cache->__construct()
#1 /customers/c/3/c/ingridvonwerz.com/httpd.www/wp-content/plugins/post-types-order/include/class.compatibility.php(28): include_once('/customers/c/3/...')
#2 /customers/c/3/c/ingridvonwerz.com/httpd.www/wp-content/plugins/post-types-order/include/class.compatibility.php(11): CPT_Compatibility->init()
#3 /customers/c/3/c/ingridvonwerz.com/httpd.www/wp-content/plugins/post-types-order/include/class.compatibility.php(65): CPT_Compatibility->__construct()
#4 /customers/c/3/c/ingridvonwerz.com/httpd.www/wp-content/plugins/post-types-order/include/class.cpto.php(89): include_once('/customers/c/3/...')
#5 /customers/c/3/c/ingridvonwerz.com/httpd.www/wp-includes/class-wp-hook.php(308): CPTO->compatibility('')
#6 /customers/c/3/c/ingridvonwerz.com/httpd.www/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array)
#7 /customers/c/3/c/ingridvonwerz.com/httpd.www/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#8 /customers/c/3/c/ingridvonwerz.com/httpd.www/wp-settings.php(623): do_action('init')
#9 /customers/c/3/c/ingridvonwerz.com/httpd.www/wp-config.php(96): require_once('/customers/c/3/...')
#10 /customers/c/3/c/ingridvonwerz.com/httpd.www/wp-load.php(50): require_once('/customers/c/3/...')
#11 /customers/c/3/c/ingridvonwerz.com/httpd.www/wp-blog-header.php(13): require_once('/customers/c/3/...')
#12 /customers/c/3/c/ingridvonwerz.com/httpd.www/index.php(17): require('/customers/c/3/...')
#13 {main}
  thrown in /customers/c/3/c/ingridvonwerz.com/httpd.www/wp-content/plugins/post-types-order/compatibility/LiteSpeed_Cache.php on line 16