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Fatal error: Uncaught TypeError: implode(): Argument #2 ($array) must be of type ?array, string given in /home1/cmfong1/shop4fun.online/wp-content/plugins/wp-rocket/vendor/matthiasmullie/minify/src/CSS.php:528 Stack trace: #0 /home1/cmfong1/shop4fun.online/wp-content/plugins/wp-rocket/vendor/matthiasmullie/minify/src/CSS.php(528): implode(Array, '|') #1 /home1/cmfong1/shop4fun.online/wp-content/plugins/wp-rocket/vendor/matthiasmullie/minify/src/CSS.php(314): MatthiasMullie\Minify\CSS->shortenColors('#TB_overlay{bac...') #2 /home1/cmfong1/shop4fun.online/wp-content/plugins/wp-rocket/vendor/matthiasmullie/minify/src/Minify.php(111): MatthiasMullie\Minify\CSS->execute(NULL) #3 /home1/cmfong1/shop4fun.online/wp-content/plugins/wp-rocket/inc/classes/optimization/CSS/class-minify.php(175): MatthiasMullie\Minify\Minify->minify() #4 /home1/cmfong1/shop4fun.online/wp-content/plugins/wp-rocket/inc/classes/optimization/CSS/class-minify.php(128): WP_Rocket\Optimization\CSS\Minify->minify('/home1/cmfong1/...', '/home1/cmfong1/...') #5 /home1/cmfong1/shop4fun.online/wp-content/plugins/wp-rocket/inc/classes/optimization/CSS/class-minify.php(66): WP_Rocket\Optimization\CSS\Minify->replace_url('https://shop4fu...') #6 /home1/cmfong1/shop4fun.online/wp-content/plugins/wp-rocket/inc/classes/subscriber/Optimization/class-abstract-minify-subscriber.php(85): WP_Rocket\Optimization\CSS\Minify->optimize('\t<!DOCTYPE html...') #7 /home1/cmfong1/shop4fun.online/wp-content/plugins/wp-rocket/inc/classes/subscriber/Optimization/class-minify-css-subscriber.php(44): WP_Rocket\Subscriber\Optimization\Minify_Subscriber->optimize('\t<!DOCTYPE html...') #8 /home1/cmfong1/shop4fun.online/wp-includes/class-wp-hook.php(324): WP_Rocket\Subscriber\Optimization\Minify_CSS_Subscriber->process('\t<!DOCTYPE html...') #9 /home1/cmfong1/shop4fun.online/wp-includes/plugin.php(205): WP_Hook->apply_filters('\t<!DOCTYPE html...', Array) #10 /home1/cmfong1/shop4fun.online/wp-content/plugins/wp-rocket/inc/classes/Buffer/class-optimization.php(94): apply_filters('rocket_buffer', '\t<!DOCTYPE html...') #11 [internal function]: WP_Rocket\Buffer\Optimization->maybe_process_buffer('\t<!DOCTYPE html...', 9) #12 /home1/cmfong1/shop4fun.online/wp-includes/functions.php(5464): ob_end_flush() #13 /home1/cmfong1/shop4fun.online/wp-includes/class-wp-hook.php(324): wp_ob_end_flush_all('') #14 /home1/cmfong1/shop4fun.online/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #15 /home1/cmfong1/shop4fun.online/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #16 /home1/cmfong1/shop4fun.online/wp-includes/load.php(1279): do_action('shutdown') #17 [internal function]: shutdown_action_hook() #18 {main} thrown in /home1/cmfong1/shop4fun.online/wp-content/plugins/wp-rocket/vendor/matthiasmullie/minify/src/CSS.php on line 528