Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/67580",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a0857d61-b585-4802-8f9b-b9408c03f16e",
      "cw-5517ebce-3ccc-4de4-b790-ce2917deabc9"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c387aa81-291b-4d58-a90c-ba84aa3527e1",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/67580",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-5517ebce-3ccc-4de4-b790-ce2917deabc9"
  }
}