Hi James,
The Chrome dev tools does show a console error:
workforce-web-662ca690a546cd6b33a277fb980d1260.js:487 Uncaught (in promise) TypeError: Cannot read property 'renderer' of undefined
at d._prepareMap (workforce-web-662ca690a546cd6b33a277fb980d1260.js:487)
at new d (workforce-web-662ca690a546cd6b33a277fb980d1260.js:485)
at i.createComponent (vendor-976bcedddd661ffdfc8ce1d28fa151c4.js:6769)
at Object.create (vendor-976bcedddd661ffdfc8ce1d28fa151c4.js:1490)
at Object.evaluate (vendor-976bcedddd661ffdfc8ce1d28fa151c4.js:3559)
at Object.evaluate (vendor-976bcedddd661ffdfc8ce1d28fa151c4.js:3446)
at Ne.evaluateSyscall (vendor-976bcedddd661ffdfc8ce1d28fa151c4.js:3699)
at Ne.evaluateInner (vendor-976bcedddd661ffdfc8ce1d28fa151c4.js:3691)
at Ne.evaluateOuter (vendor-976bcedddd661ffdfc8ce1d28fa151c4.js:3691)
at mt.next (vendor-976bcedddd661ffdfc8ce1d28fa151c4.js:3823)
The Dispatcher map only contains the workers and assignments layer. The Dispatcher map can be viewed in both map viewer classic and map viewer beta. Yesterday, the Dispatcher map had a broken layer, I removed the layer using AGOL Assistant in hopes that it would resolve the Workforce issue, but it did not.