When trying to use php 8, I get the following error. The backend appears to work, for what I use it does. The front end if completely broke.

Fatal error: Uncaught Error: Object of class WidgetContainer could not be converted to string in /home/mysticland/public_html/arx/inc/skins/skin.funcs.php:3198 Stack trace: #0 /home/mysticland/public_html/arx/inc/skins/skin.funcs.php(3198): str_replace('$wico_class$', 'evo_container...', Array) #1 /home/mysticland/public_html/arx/inc/skins/model/_skin.class.php(440): widget_container_customize_params(Array, 'right_navigatio...', 'Right Navigatio...') #2 /home/mysticland/public_html/arx/inc/skins/_skin.funcs.php(3092): Skin->container('Right Navigatio...', Array, 'right_navigatio...') #3 /home/mysticland/public_html/arx/skins/bootstrap_site_dropdown_skin/_site_body_header.inc.php(190): widget_container('right_navigatio...', Array) #4 /home/mysticland/public_html/arx/inc/skins/_skin.funcs.php(2469): require('/home/mysticlan...') #5 /home/mysticland/public_html/arx/skins/bootstrap_blog_skin/index.main.php(36): siteskin_include('_site_body_head...') #6 /home/mysticland/public_html/arx/inc/_blog_main.inc.php(1203): require('/home/mysticlan...') #7 /home/mysticland/public_html/arx/index.php(74): require('/home/mysticlan...') #8 {main} thrown in /home/mysticland/public_html/arx/inc/skins/_skin.funcs.php on line 3198