Error when requesting tallBoxart

[mrbass21]

When tall box art is requested for a title and it does not exist, an array will be returned with the following structure for each title.

"error": {
        "innerErrors": [
            {
                "message": "Cannot invoke method _1() on null object",
                "pql": [
                    "videos",
                    [
                        70202589
                    ],
                    "tallBoxarts",
                    [
                        "userRating"
                    ]
                ]
            },...