Exception in rendering!

Message: Cannot read property 'courseId' of undefined

TypeError: Cannot read property 'courseId' of undefined
    at <anonymous>:77:665746
    at t.value (<anonymous>:43:15044)
    at i (<anonymous>:117:11076)
    at ge (<anonymous>:117:11336)
    at e.render (<anonymous>:117:13846)
    at e.read (<anonymous>:117:13471)
    at renderToString (<anonymous>:117:18232)
    at AppContainer (<anonymous>:72:32605)
    at t.default (<anonymous>:60:173681)
    at t.default (<anonymous>:117:28419)