Exception in rendering!

Message: Cannot read property 'length' of null

TypeError: Cannot read property 'length' of null
    at <eval>:251:64269
    at t (<eval>:62:10640)
    at <eval>:74:128668
    at t (<eval>:62:10640)
    at t.imageAttributes (<eval>:251:165224)
    at t.T.value (<eval>:251:165681)
    at o (<eval>:156:11040)
    at me (<eval>:156:11300)
    at e.render (<eval>:156:13810)
    at e.read (<eval>:156:13435)