I don't see custom theme in landing page editor

Product Support
1

Your software
My Mautic version is: 3.3.3
My PHP version is: 7.4.2
My Database type and version is: Mysql

Your problem
My problem is:

I’ve uploaded a custom landing page theme, i see it in the “Themes” section, but when i go to landing page editor, i don’t see my theme.

Can anyone help me?

These errors are showing in the log: i don’t have error in log

Steps I have tried to fix the problem:

2

Open the “config.json” in the theme folder:

nano /var/www/html/themes/(your-theme-name)/config.json

And put the string

"builder": [“grapesjsbuilder”],

betwen “authorUrl” and “features” lines.
After that the theme will appear in all types, described in “features” section.