Issue from mobile builder plugin
Currently, when you install both 2 our plugins (app builder and mobile builder), you will face an issue relating to the cart page and checkout page not working well. So kindly try deactivating mobile builder and run again. The issue will be solved.
Issue from JWT Authentication
You can follow this to config App builder working along with Jwt Auth https://appcheap.io/docs/cirilla-developers-docs/troubleshooting/jwt-authentication-for-wp-rest-api-plugin-installed/