Booklet theme
Notice: Undefined variable: theme_manager in C:\Apache24\htdocs\ladol\wp-content\plugins\wp-booklet\themes\admin\default\themes-metabox.php on line 5

Fatal error: Uncaught Error: Call to a member function theme_exists() on null in C:\Apache24\htdocs\ladol\wp-content\plugins\wp-booklet\themes\admin\default\themes-metabox.php:5 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\ladol\wp-content\plugins\wp-booklet\themes\admin\default\themes-metabox.php on line 5