Resolved
Reported for: Toolset Types 3.3.12
Resolved in: Types 3.4
When the StyleKits plugin (by AnalogWP) is active alongside Types it triggers the following fatal PHP error:
PHP Fatal error: Uncaught Error: Call to undefined function get_plugins() in /.../wp-content/plugins/types/vendor/otgs/installer/includes/class-wp-installer.php:2389
This has been fixed with Types 3.4 release.