Exception in rendering!

Message: Cannot read property 'id' of null

TypeError: Cannot read property 'id' of null
    at <anonymous>:65032:84
    at <anonymous>:65037:26
    at <anonymous>:65053:20
    at Array.map (<anonymous>)
    at SearchSidebar.render (<anonymous>:64868:35)
    at ReactCompositeComponentWrapper._renderValidatedComponentWithoutOwnerOrContext (<anonymous>:128460:30)
    at ReactCompositeComponentWrapper._renderValidatedComponent (<anonymous>:128483:32)
    at ReactCompositeComponentWrapper.performInitialMount (<anonymous>:128023:30)
    at ReactCompositeComponentWrapper.mountComponent (<anonymous>:127919:21)
    at Object.mountComponent (<anonymous>:11376:35)