({"missingUrl":"A URL is required to instantiate an APP Store object","invalidItem":"This error message is provided when a function is called in the following form: getAttribute(argument, attributeName).  The argument variable represents the member or owner of the object. The error is created when an item that does not belong to this store is specified as an argument.","invalidAttributeType":"The attribute argument must be a string. The error is created when a different type of variable is specified such as an array or object."})