Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/68285",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4963430e-12f2-4410-adf7-e5697ac9da14",
      "cw-70609d32-ddf7-41f4-812d-116540b7a893"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-0f4843d2-fc94-4f0d-9b43-e5a0ec58fb93",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/68285",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-70609d32-ddf7-41f4-812d-116540b7a893"
  }
}