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    Fatal error: Uncaught TypeError: implode(): Argument #2 ($array) must be of type ?array, string given in /www/wwwroot/pythondict/wp-content/plugins/wp-performance/vendor/matthiasmullie/minify/src/CSS.php:528 Stack trace: #0 /www/wwwroot/pythondict/wp-content/plugins/wp-performance/vendor/matthiasmullie/minify/src/CSS.php(528): implode() #1 /www/wwwroot/pythondict/wp-content/plugins/wp-performance/vendor/matthiasmullie/minify/src/CSS.php(314): MatthiasMullie\Minify\CSS->shortenColors() #2 /www/wwwroot/pythondict/wp-content/plugins/wp-performance/vendor/matthiasmullie/minify/src/Minify.php(111): MatthiasMullie\Minify\CSS->execute() #3 /www/wwwroot/pythondict/wp-content/plugins/wp-performance/includes/classes/minify.php(29): MatthiasMullie\Minify\Minify->minify() #4 /www/wwwroot/pythondict/wp-content/plugins/wp-performance/includes/classes/parser.php(176): WPP\Minify::code() #5 /www/wwwroot/pythondict/wp-content/plugins/wp-performance/includes/classes/parser.php(113): WPP\Parser->parseCSS() #6 /www/wwwroot/pythondict/wp-content/plugins/wp-performance/includes/classes/parser.php(35): WPP\Parser->parseTemplate() #7 /www/wwwroot/pythondict/wp-content/plugins/wp-performance/includes/classes/parser.php(60): WPP\Parser->__construct() #8 [internal function]: WPP\Parser::init() #9 /www/wwwroot/pythondict/wp-includes/functions.php(5481): ob_end_flush() #10 /www/wwwroot/pythondict/wp-includes/class-wp-hook.php(341): wp_ob_end_flush_all() #11 /www/wwwroot/pythondict/wp-includes/class-wp-hook.php(365): WP_Hook->apply_filters() #12 /www/wwwroot/pythondict/wp-includes/plugin.php(522): WP_Hook->do_action() #13 /www/wwwroot/pythondict/wp-includes/load.php(1308): do_action() #14 [internal function]: shutdown_action_hook() #15 {main} thrown in /www/wwwroot/pythondict/wp-content/plugins/wp-performance/vendor/matthiasmullie/minify/src/CSS.php on line 528