Exception in rendering!

Message: Cannot read property 'id' of null

TypeError: Cannot read property 'id' of null
    at <anonymous>:36:2086412
    at Array.find (<anonymous>)
    at t.value (<anonymous>:36:2086326)
    at <anonymous>:36:2087104
    at Array.map (<anonymous>)
    at t.value (<anonymous>:36:2087079)
    at e (<anonymous>:36:3196440)
    at <anonymous>:36:3196698
    at o.render (<anonymous>:36:3196731)
    at o.read (<anonymous>:36:3194660)