Fatal Error after upadte Laytheme 3.0 on two different websites / kritischer Fehler

[albrecht]

Fatal Error after upadte to 3.0 on two different websites:

www.albrechtgaebel.de
www.danalorenz.de/wordpress

with this message:

Fatal error: Uncaught Error: Access to undeclared static property: LayFrontend_Options::$playicon_id in /www/htdocs/w00ed420/wp-content/themes/lay/frontend/assets/php/frontend_options.php:84 Stack trace: #0 /www/htdocs/w00ed420/wp-content/themes/lay/frontend/assets/php/frontend_options.php(187): LayFrontend_Options->__construct() #1 /www/htdocs/w00ed420/wp-content/themes/lay/functions.php(47): require('/www/htdocs/w00...') #2 /www/htdocs/w00ed420/wp-settings.php(514): include('/www/htdocs/w00...') #3 /www/htdocs/w00ed420/wp-config.php(90): require_once('/www/htdocs/w00...') #4 /www/htdocs/w00ed420/wp-load.php(37): require_once('/www/htdocs/w00...') #5 /www/htdocs/w00ed420/wp-admin/admin.php(34): require_once('/www/htdocs/w00...') #6 /www/htdocs/w00ed420/wp-admin/index.php(10): require_once('/www/htdocs/w00...') #7 {main} thrown in /www/htdocs/w00ed420/wp-content/themes/lay/frontend/assets/php/frontend_options.php on line 84
Es gab einen kritischen Fehler auf deiner Website. Bitte überprüfe den Posteingang deiner Website-Administrator-E-Mail-Adresse für weitere Anweisungen.

Fatal error: Uncaught Error: Access to undeclared static property: LayFrontend_Options::$playicon_id in /www/htdocs/w00ed420/wp-content/themes/lay/frontend/assets/php/frontend_options.php:84 Stack trace: #0 /www/htdocs/w00ed420/wp-content/themes/lay/frontend/assets/php/frontend_options.php(187): LayFrontend_Options->__construct() #1 /www/htdocs/w00ed420/wp-content/themes/lay/functions.php(47): require('/www/htdocs/w00...') #2 /www/htdocs/w00ed420/wp-settings.php(514): include('/www/htdocs/w00...') #3 /www/htdocs/w00ed420/wp-config.php(90): require_once('/www/htdocs/w00...') #4 /www/htdocs/w00ed420/wp-load.php(37): require_once('/www/htdocs/w00...') #5 /www/htdocs/w00ed420/wp-login.php(12): require('/www/htdocs/w00...') #6 {main} thrown in /www/htdocs/w00ed420/wp-content/themes/lay/frontend/assets/php/frontend_options.php on line 84

I only can access by backup mode in WP. Pls help!

[lumavideo]

@albrecht I also tried to update the theme but I had the same problem. My site is now offline! : /

[arminunruh]

please look at my answer here:
http://laythemeforum.com:4567/topic/5222/critical-error-lay-theme-3-0-0/6