Fatal error: Uncaught TypeError: implode(): Argument #2 ($array) must be of type ?array, string given in /var/www/vhosts/hosting121606.a2fb8.netcup.net/httpdocs/tpv-finanz.de/wp-content/plugins/wp-rocket/vendor/matthiasmullie/minify/src/CSS.php:528 Stack trace: #0 /var/www/vhosts/hosting121606.a2fb8.netcup.net/httpdocs/tpv-finanz.de/wp-content/plugins/wp-rocket/vendor/matthiasmullie/minify/src/CSS.php(528): implode() #1 /var/www/vhosts/hosting121606.a2fb8.netcup.net/httpdocs/tpv-finanz.de/wp-content/plugins/wp-rocket/vendor/matthiasmullie/minify/src/CSS.php(314): MatthiasMullie\Minify\CSS->shortenColors() #2 /var/www/vhosts/hosting121606.a2fb8.netcup.net/httpdocs/tpv-finanz.de/wp-content/plugins/wp-rocket/vendor/matthiasmullie/minify/src/Minify.php(111): MatthiasMullie\Minify\CSS->execute() #3 /var/www/vhosts/hosting121606.a2fb8.netcup.net/httpdocs/tpv-finanz.de/wp-content/plugins/wp-rocket/inc/classes/optimization/CSS/class-combine.php(223): MatthiasMullie\Minify\Minify->minify() #4 /var/www/vhosts/hosting121606.a2fb8.netcup.net/httpdocs/tpv-finanz.de/wp-content/plugins/wp-rocket/inc/classes/optimization/CSS/class-combine.php(171): WP_Rocket\Optimization\CSS\Combine->minify() #5 /var/www/vhosts/hosting121606.a2fb8.netcup.net/httpdocs/tpv-finanz.de/wp-content/plugins/wp-rocket/inc/classes/optimization/CSS/class-combine.php(110): WP_Rocket\Optimization\CSS\Combine->combine() #6 /var/www/vhosts/hosting121606.a2fb8.netcup.net/httpdocs/tpv-finanz.de/wp-content/plugins/wp-rocket/inc/classes/subscriber/Optimization/class-abstract-minify-subscriber.php(85): WP_Rocket\Optimization\CSS\Combine->optimize() #7 /var/www/vhosts/hosting121606.a2fb8.netcup.net/httpdocs/tpv-finanz.de/wp-content/plugins/wp-rocket/inc/classes/subscriber/Optimization/class-minify-css-subscriber.php(44): WP_Rocket\Subscriber\Optimization\Minify_Subscriber->optimize() #8 /var/www/vhosts/hosting121606.a2fb8.netcup.net/httpdocs/tpv-finanz.de/wp-includes/class-wp-hook.php(324): WP_Rocket\Subscriber\Optimization\Minify_CSS_Subscriber->process() #9 /var/www/vhosts/hosting121606.a2fb8.netcup.net/httpdocs/tpv-finanz.de/wp-includes/plugin.php(205): WP_Hook->apply_filters() #10 /var/www/vhosts/hosting121606.a2fb8.netcup.net/httpdocs/tpv-finanz.de/wp-content/plugins/wp-rocket/inc/classes/Buffer/class-optimization.php(94): apply_filters() #11 [internal function]: WP_Rocket\Buffer\Optimization->maybe_process_buffer() #12 /var/www/vhosts/hosting121606.a2fb8.netcup.net/httpdocs/tpv-finanz.de/wp-includes/functions.php(5427): ob_end_flush() #13 /var/www/vhosts/hosting121606.a2fb8.netcup.net/httpdocs/tpv-finanz.de/wp-includes/class-wp-hook.php(324): wp_ob_end_flush_all() #14 /var/www/vhosts/hosting121606.a2fb8.netcup.net/httpdocs/tpv-finanz.de/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #15 /var/www/vhosts/hosting121606.a2fb8.netcup.net/httpdocs/tpv-finanz.de/wp-includes/plugin.php(517): WP_Hook->do_action() #16 /var/www/vhosts/hosting121606.a2fb8.netcup.net/httpdocs/tpv-finanz.de/wp-includes/load.php(1280): do_action() #17 [internal function]: shutdown_action_hook() #18 {main} thrown in /var/www/vhosts/hosting121606.a2fb8.netcup.net/httpdocs/tpv-finanz.de/wp-content/plugins/wp-rocket/vendor/matthiasmullie/minify/src/CSS.php on line 528