sakai-rubric.js:195 Uncaught TypeError: Cannot read property 'requestUpdate' of null
    at Object.<anonymous> (sakai-rubric.js:195)
    at i (jquery.js:3232)
    at Object.fireWith [as resolveWith] (jquery.js:3362)
    at y (jquery.js:9840)
    at XMLHttpRequest.c (jquery.js:10311)
(anonymous) @ sakai-rubric.js:195
i @ jquery.js:3232
fireWith @ jquery.js:3362
y @ jquery.js:9840
c @ jquery.js:10311
XMLHttpRequest.send (async)
send @ jquery.js:10254
ajax @ jquery.js:9738
updateRubric @ sakai-rubric.js:189
sharingChange @ sakai-rubric.js:170
handleEvent @ parts.ts:477
EventPart.__boundHandleEvent @ parts.ts:435