Fatal error: Uncaught exception 'MongoCursorException' with message 'ds040948.mongolab.com:40948: Can't canonicalize query: BadValue $in needs an array' in /home/onkyoat/www.onkyousa.com/Products/products_compare.php:35 Stack trace: #0 /home/onkyoat/www.onkyousa.com/Products/products_compare.php(35): MongoCursor->rewind() #1 /home/onkyoat/www.onkyousa.com/Products/products_compare.php(83): Product_Compare(Object(MongoCursor), 0) #2 {main} thrown in /home/onkyoat/www.onkyousa.com/Products/products_compare.php on line 35