We have checked the theme on WP 5.6 and the slider is working fine, may some plugins conflicts with the latest version of WordPress. Activate this plugin may help.
Internal Server Error 500 is nothing to do with demo data plugin and our demo data content, please contact to your hosting provider related to those server error.
Yes there is a discount.
You can use coupon code #30%off in checkout form for the 30% discount on all themes.
Let us know if you have any problem using the coupon code.
Yes there is discount.
You can use coupon code #30%off in checkout form for the 30% discount on all themes.
Let us know if you have any problem using the coupon code.
It’s simple just upload the latest version as you did before.
Make sure to take backup of the theme before updating if you have customization the theme main file.
If it’s worked before then how comes it stop working? Can you remember the last action that you did into your site?
Also seems like WP Bakery is a premium plugins and it’s hard to investigate for us to resolve those problem, So could you please share us your login credential to your site here.
Note: Do not share any login credential here in this forum as this forum is public and visible to all.