Fatal error: Uncaught Error: Call to undefined function cs_get_switcher_option() in D:\xampp\htdocs\wordpress\wp-content\plugins\travelor-core\inc\theme-core-helper-functions.php:177 Stack trace: #0 D:\xampp\htdocs\wordpress\wp-includes\class-wp-hook.php(343): Travelor_Core_Helper_Functions->theme_mime_types(Array) #1 D:\xampp\htdocs\wordpress\wp-includes\plugin.php(205): WP_Hook->apply_filters(Array, Array) #2 D:\xampp\htdocs\wordpress\wp-includes\functions.php(3668): apply_filters('upload_mimes', Array, NULL) #3 D:\xampp\htdocs\wordpress\wp-content\plugins\image-optimization\modules\optimization\components\avif-compatibility.php(12): get_allowed_mime_types() #4 D:\xampp\htdocs\wordpress\wp-content\plugins\image-optimization\modules\optimization\components\avif-compatibility.php(71): ImageOptimization\Modules\Optimization\Components\Avif_Compatibility->is_avif_supported() #5 D:\xampp\htdocs\wordpress\wp-content\plugins\image-optimization\classes\module-base.php(317): ImageOptimization\Modules\Optimization\Components\Avif_Compatibility->__construct() #6 D:\xampp\htdocs\wordpress\wp-content\plugins\image-optimization\modules\optimization\module.php(103): ImageOptimization\Classes\Module_Base->register_components() #7 D:\xampp\htdocs\wordpress\wp-content\plugins\image-optimization\classes\module-base.php(83): ImageOptimization\Modules\Optimization\Module->__construct() #8 D:\xampp\htdocs\wordpress\wp-content\plugins\image-optimization\includes\modules-manager.php(46): ImageOptimization\Classes\Module_Base::instance() #9 D:\xampp\htdocs\wordpress\wp-content\plugins\image-optimization\plugin.php(90): ImageOptimization\Manager->__construct() #10 D:\xampp\htdocs\wordpress\wp-content\plugins\image-optimization\plugin.php(105): ImageOptimization\Plugin->includes() #11 D:\xampp\htdocs\wordpress\wp-content\plugins\image-optimization\plugin.php(47): ImageOptimization\Plugin->__construct() #12 D:\xampp\htdocs\wordpress\wp-content\plugins\image-optimization\plugin.php(109): ImageOptimization\Plugin::instance() #13 D:\xampp\htdocs\wordpress\wp-content\plugins\image-optimization\image-optimization.php(210): require_once('D:\\xampp\\htdocs...') #14 D:\xampp\htdocs\wordpress\wp-includes\class-wp-hook.php(341): ImageOptimization->init('') #15 D:\xampp\htdocs\wordpress\wp-includes\class-wp-hook.php(365): WP_Hook->apply_filters('', Array) #16 D:\xampp\htdocs\wordpress\wp-includes\plugin.php(522): WP_Hook->do_action(Array) #17 D:\xampp\htdocs\wordpress\wp-settings.php(593): do_action('plugins_loaded') #18 D:\xampp\htdocs\wordpress\wp-config.php(102): require_once('D:\\xampp\\htdocs...') #19 D:\xampp\htdocs\wordpress\wp-load.php(50): require_once('D:\\xampp\\htdocs...') #20 D:\xampp\htdocs\wordpress\wp-blog-header.php(13): require_once('D:\\xampp\\htdocs...') #21 D:\xampp\htdocs\wordpress\index.php(17): require('D:\\xampp\\htdocs...') #22 {main} thrown in D:\xampp\htdocs\wordpress\wp-content\plugins\travelor-core\inc\theme-core-helper-functions.php on line 177