Fatal error: Uncaught Error: Call to undefined method WP_Error::has_errors() in /var/www/html/wp-admin/includes/file.php:1824 Stack trace: #0 /var/www/html/wp-content/plugins/beaver-builder-lite-version/classes/class-fl-builder-filesystem.php(151): WP_Filesystem(true, false) #1 /var/www/html/wp-content/plugins/beaver-builder-lite-version/classes/class-fl-builder-filesystem.php(116): FL_Filesystem->get_filesystem() #2 /var/www/html/wp-content/plugins/beaver-builder-lite-version/classes/class-fl-builder-model.php(709): FL_Filesystem->file_exists('/var/www/html/w...') #3 /var/www/html/wp-content/plugins/beaver-builder-lite-version/classes/class-fl-builder-model.php(735): FLBuilderModel::get_upload_dir() #4 /var/www/html/wp-content/plugins/beaver-builder-lite-version/classes/class-fl-builder-model.php(797): FLBuilderModel::get_cache_dir() #5 /var/www/html/wp-content/plugins/beaver-builder-lite-version/classes/class-fl-builder.php(676): FLBuilderModel::get_asset_info() #6 /var/www/html/wp-content/plugins/beaver-builder-lite-ve in /var/www/html/wp-admin/includes/file.php on line 1824