E_ERROR line 184 themes/uray/inc/admin/sassphp/src/Node/Number.php.

Hi, i have a critical error.

Un errore di E_ERROR è stato causato nella linea 184 del file /web/htdocs/www.artigiannaitaly.com/home/wp-content/themes/uray/inc/admin/sassphp/src/Node/Number.php. Messaggio di errore: Uncaught TypeError: Leafo\ScssPhp\Node\Number::offsetGet(): Return value must be of type bool, array returned in /web/htdocs/www.artigiannaitaly.com/home/wp-content/themes/uray/inc/admin/sassphp/src/Node/Number.php:184
Stack trace:
#0 /web/htdocs/www.artigiannaitaly.com/home/wp-content/themes/uray/inc/admin/sassphp/src/Compiler.php(2010): Leafo\ScssPhp\Node\Number->offsetGet()
#1 /web/htdocs/www.artigiannaitaly.com/home/wp-content/themes/uray/inc/admin/sassphp/src/Compiler.php(3620): Leafo\ScssPhp\Compiler->reduce()
#2 /web/htdocs/www.artigiannaitaly.com/home/wp-content/themes/uray/inc/admin/sassphp/src/Compiler.php(2203): Leafo\ScssPhp\Compiler->callNativeFunction()
#3 /web/htdocs/www.artigiannaitaly.com/home/wp-content/themes/uray/inc/admin/sassphp/src/Compiler.php(2180): Leafo\ScssPhp\Compiler->fncall()
#4 /web/htdocs/www.artigiannaitaly.com/home/wp-content/themes/uray/inc/admin/sassphp/src/Compiler.php(1615): Leafo\ScssPhp\Compiler->reduce()
#5 /web/htdocs/www.artigiannaitaly.com/home/wp-content/themes/uray/inc/admin/sassphp/src/Compiler.php(1311): Leafo\ScssPhp\Compiler->compileChild()
#6 /web/htdocs/www.artigiannaitaly.com/home/wp-content/themes/uray/inc/admin/sassphp/src/Compiler.php(318): Leafo\ScssPhp\Compiler->compileChildrenNoReturn()
#7 /web/htdocs/www.artigiannaitaly.com/home/wp-content/themes/uray/inc/admin/sassphp/src/Compiler.php(205): Leafo\ScssPhp\Compiler->compileRoot()
#8 /web/htdocs/www.artigiannaitaly.com/home/wp-content/themes/uray/inc/admin/sassphp/sass2css.php(119): Leafo\ScssPhp\Compiler->compile()
#9 /web/htdocs/www.artigiannaitaly.com/home/wp-includes/class-wp-hook.php(310): sass2css->sass_to_css()
#10 /web/htdocs/www.artigiannaitaly.com/home/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters()
#11 /web/htdocs/www.artigiannaitaly.com/home/wp-includes/plugin.php(517): WP_Hook->do_action()
#12 /web/htdocs/www.artigiannaitaly.com/home/wp-content/plugins/redux-framework/redux-core/inc/classes/class-redux-panel.php(218): do_action()
#13 /web/htdocs/www.artigiannaitaly.com/home/wp-content/plugins/redux-framework/redux-core/templates/panel/header-stickybar.tpl.php(37): Redux_Panel->notification_bar()
#14 /web/htdocs/www.artigiannaitaly.com/home/wp-content/plugins/redux-framework/redux-core/inc/classes/class-redux-panel.php(349): require('...')
#15 /web/htdocs/www.artigiannaitaly.com/home/wp-content/plugins/redux-framework/redux-core/templates/panel/content.tpl.php(24): Redux_Panel->get_template()
#16 /web/htdocs/www.artigiannaitaly.com/home/wp-content/plugins/redux-framework/redux-core/inc/classes/class-redux-panel.php(349): require('...')
#17 /web/htdocs/www.artigiannaitaly.com/home/wp-content/plugins/redux-framework/redux-core/templates/panel/container.tpl.php(48): Redux_Panel->get_template()
#18 /web/htdocs/www.artigiannaitaly.com/home/wp-content/plugins/redux-framework/redux-core/inc/classes/class-redux-panel.php(349): require('...')
#19 /web/htdocs/www.artigiannaitaly.com/home/wp-content/plugins/redux-framework/redux-core/inc/classes/class-redux-panel.php(115): Redux_Panel->get_template()
#20 /web/htdocs/www.artigiannaitaly.com/home/wp-content/plugins/redux-framework/redux-core/inc/classes/class-redux-panel.php(62): Redux_Panel->panel_template()
#21 /web/htdocs/www.artigiannaitaly.com/home/wp-content/plugins/redux-framework/redux-core/inc/classes/class-redux-page-render.php(348): Redux_Panel->init()
#22 /web/htdocs/www.artigiannaitaly.com/home/wp-includes/class-wp-hook.php(308): Redux_Page_Render->generate_panel()
#23 /web/htdocs/www.artigiannaitaly.com/home/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters()
#24 /web/htdocs/www.artigiannaitaly.com/home/wp-includes/plugin.php(517): WP_Hook->do_action()
#25 /web/htdocs/www.artigiannaitaly.com/home/wp-admin/admin.php(259): do_action()
#26 {main}
  thrown