Hi,
I get below fatal error then save options.
Fatal error: Uncaught Error: Call to undefined function ctype_xdigit() in /hermes/bosnaweb23a/b2478/ipw.realestateinnevis/wp_site_1618270020/wp-content/plugins/redux-framework/redux-core/inc/classes/class-redux-colors.php:205 Stack trace: #0 /hermes/bosnaweb23a/b2478/ipw.realestateinnevis/wp_site_1618270020/wp-content/plugins/redux-framework/redux-core/inc/classes/class-redux-colors.php(287): Redux_Colors::sanitize_hex(‘FFFFFF’) #1 /hermes/bosnaweb23a/b2478/ipw.realestateinnevis/wp_site_1618270020/wp-content/plugins/redux-framework/redux-core/inc/validation/color/class-redux-validation-color.php(42): Redux_Colors::sanitize_color(‘#FFFFFF’) #2 /hermes/bosnaweb23a/b2478/ipw.realestateinnevis/wp_site_1618270020/wp-content/plugins/redux-framework/redux-core/inc/classes/class-redux-validate.php(39): Redux_Validation_Color->validate() #3 /hermes/bosnaweb23a/b2478/ipw.realestateinnevis/wp_site_1618270020/wp-content/plugins/redux-framework/redux-core/inc/classes/class-redux-validation.php(197): Redux_Validate->__construct(Object( in /hermes/bosnaweb23a/b2478/ipw.realestateinnevis/wp_site_1618270020/wp-content/plugins/redux-framework/redux-core/inc/classes/class-redux-colors.php on line 205