works with error message

hi
i just install the plugin and did not change any settings yet. when i add product to cart it adds that product successfully but shows the following error on top of the page

Array ( [0] => Array ( [file] => /home2/oeafg2dc/bosphorusgloucester.co.uk/wp-content/plugins/pizzatime/images/white.png ) [1] => Array ( [file] => /home2/oeafg2dc/bosphorusgloucester.co.uk/wp-content/plugins/pizzatime/images/pizza-crust.png ) [5] => Array ( [file] => /home2/oeafg2dc/bosphorusgloucester.co.uk/wp-content/plugins/pizzatime/images/tomato-sauce.png [left_right] => 3 ) [10] => Array ( [file] => /home2/oeafg2dc/bosphorusgloucester.co.uk/wp-content/plugins/pizzatime/images/cheese.png [left_right] => 3 ) [40] => Array ( [file] => /home2/oeafg2dc/bosphorusgloucester.co.uk/wp-content/plugins/pizzatime/images/tomatoes.png [left_right] => 3 ) )

please help