Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/82578",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-887756f0-4b73-4e71-8a91-72cf5c73a904",
      "cw-a9968fbb-60cf-417a-a610-6098f59a3c57"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-fa1bc9ff-a5d9-46a2-bc1e-d44631cdfe76",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/82578",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a9968fbb-60cf-417a-a610-6098f59a3c57"
  }
}