[PrestaShopException]

Product with id 9913 is not a pack
at line 252 in file classes/Pack.php

247.         $idProduct = (int) $idProduct;
248.         $idProductAttribute = (int) $idProductAttribute;
249.         $cacheIsPack = (bool) $cacheIsPack;
250. 
251.         if (!self::isPack($idProduct)) {
252.             throw new PrestaShopException("Product with id $idProduct is not a pack");
253.         }
254. 
255.         // Initialize
256.         $product = new Product($idProduct, false);
257.         $packQuantity = 0;