Fatal error: Uncaught Error: Call to undefined function wp_is_block_theme() in /usr/www/users/faceaaekxw/store.faceandbody.co.za/wp-content/plugins/woo-stickers-by-webline/includes/class-woo-stickers-by-webline.php:216
Stack trace:
#0 /usr/www/users/faceaaekxw/store.faceandbody.co.za/wp-content/plugins/woo-stickers-by-webline/includes/class-woo-stickers-by-webline.php(77): Woo_Stickers_By_Webline->define_public_hooks()
#1 /usr/www/users/faceaaekxw/store.faceandbody.co.za/wp-content/plugins/woo-stickers-by-webline/woo-stickers-by-webline.php(97): Woo_Stickers_By_Webline->__construct()
#2 /usr/www/users/faceaaekxw/store.faceandbody.co.za/wp-content/plugins/woo-stickers-by-webline/woo-stickers-by-webline.php(101): run_woo_stickers_by_webline()
#3 /usr/www/users/faceaaekxw/store.faceandbody.co.za/wp-settings.php(409): include_once('/usr/www/users/...')
#4 /usr/www/users/faceaaekxw/store.faceandbody.co.za/wp-config.php(90): require_once('/usr/www/users/...')
#5 /usr/www/users/faceaaekxw/store.faceandbody.co.za/wp-load.php(50): require_once('/usr/www/users/...')
#6 /usr/www/users/faceaaekxw/store.faceandbody.co.za/wp-blog-header.php(13): require_once('/usr/www/users/...')
#7 /usr/www/users/faceaaekxw/store.faceandbody.co.za/index.php(17): require('/usr/www/users/...')
#8 {main}
  thrown in /usr/www/users/faceaaekxw/store.faceandbody.co.za/wp-content/plugins/woo-stickers-by-webline/includes/class-woo-stickers-by-webline.php on line 216