Fatal error: Uncaught TypeError: implode(): Argument #2 ($array) must be of type ?array, string given in /www/doc/ods.webotvurci.cz/www/wp-content/plugins/wp-rocket/vendor/matthiasmullie/minify/src/CSS.php:528 Stack trace: #0 /www/doc/ods.webotvurci.cz/www/wp-content/plugins/wp-rocket/vendor/matthiasmullie/minify/src/CSS.php(528): implode(Array, '|') #1 /www/doc/ods.webotvurci.cz/www/wp-content/plugins/wp-rocket/vendor/matthiasmullie/minify/src/CSS.php(314): MatthiasMullie\Minify\CSS->shortenColors('@font-face{font...') #2 /www/doc/ods.webotvurci.cz/www/wp-content/plugins/wp-rocket/vendor/matthiasmullie/minify/src/Minify.php(111): MatthiasMullie\Minify\CSS->execute(NULL) #3 /www/doc/ods.webotvurci.cz/www/wp-content/plugins/wp-rocket/inc/classes/subscriber/Optimization/class-minify-html-subscriber.php(90): MatthiasMullie\Minify\Minify->minify() #4 /www/doc/ods.webotvurci.cz/www/wp-content/plugins/wp-rocket/inc/vendors/classes/class-minify-html.php(227): WP_Rocket\Subscriber\Optimization\Minify_HTML_Subscriber->minify_inline_css('/* Original: ht...') #5 [internal function]: Minify_HTML->_removeStyleCB(Array) #6 /www/doc/ods.webotvurci.cz/www/wp-content/plugins/wp-rocket/inc/vendors/classes/class-minify-html.php(118): preg_replace_callback('/\\s*<style(\\b[^...', Array, '<!DOCTYPE html>...') #7 /www/doc/ods.webotvurci.cz/www/wp-content/plugins/wp-rocket/inc/vendors/classes/class-minify-html.php(48): Minify_HTML->process() #8 /www/doc/ods.webotvurci.cz/www/wp-content/plugins/wp-rocket/inc/classes/subscriber/Optimization/class-minify-html-subscriber.php(77): Minify_HTML::minify('<!DOCTYPE html>...', Array) #9 /www/doc/ods.webotvurci.cz/www/wp-includes/class-wp-hook.php(307): WP_Rocket\Subscriber\Optimization\Minify_HTML_Subscriber->process('<!DOCTYPE html>...') #10 /www/doc/ods.webotvurci.cz/www/wp-includes/plugin.php(191): WP_Hook->apply_filters('<!DOCTYPE html>...', Array) #11 /www/doc/ods.webotvurci.cz/www/wp-content/plugins/wp-rocket/inc/classes/Buffer/class-optimization.php(104): apply_filters('rocket_buffer', '<!DOCTYPE html>...') #12 [internal function]: WP_Rocket\Buffer\Optimization->maybe_process_buffer('<!DOCTYPE html>...', 9) #13 /www/doc/ods.webotvurci.cz/www/wp-content/plugins/smart-slider-3/Nextend/WordPress/OutputBuffer.php(226): ob_end_flush() #14 /www/doc/ods.webotvurci.cz/www/wp-includes/class-wp-hook.php(307): Nextend\WordPress\OutputBuffer->closeOutputBuffers('') #15 /www/doc/ods.webotvurci.cz/www/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters('', Array) #16 /www/doc/ods.webotvurci.cz/www/wp-includes/plugin.php(476): WP_Hook->do_action(Array) #17 /www/doc/ods.webotvurci.cz/www/wp-includes/load.php(1102): do_action('shutdown') #18 [internal function]: shutdown_action_hook() #19 {main} thrown in /www/doc/ods.webotvurci.cz/www/wp-content/plugins/wp-rocket/vendor/matthiasmullie/minify/src/CSS.php on line 528