BOOTSTRAP EXCEPTION: count(): Argument #1 ($value) must be of type Countable|array, null given
#0 /home/site/html/retailys/plugins/Basket/Basket.php(222): include()
#1 /home/site/html/retailys/sys/Plugin.php(163): Basket->summary()
#2 /home/site/html/retailys/sys/Plugins.php(95): Plugin->initEvents()
#3 /home/site/html/retailys/sys/Plugins.php(171): Plugins::plugin('...')
#4 /home/site/html/retailys/plugins/General/General.php(158): Plugins::isCalledSomePlugin()
#5 /home/site/html/retailys/bootstrap.php(187): General->load()
#6 /home/site/html/index.php(4): require('...')
#7 {main}