We upgrade the Specular theme. Version 3.4.2 to 4.2.8
Also upgrade all the plugin and wp core. The PHP version is 8.0
We are getting a lot of jquery errors https://prnt.sc/lj0TygUaqzOU and the site does not work correctly.
We copy the site to the staging version. https://soulcorestg.wpengine.com/ staging version site works correctly if you are not logged in to the backend.
but the live site does not work if you are not login or login.