Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/73607",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-abf791f3-b344-4b2e-87b2-174b459d3ed6",
      "cw-92b83478-046d-432b-9eb5-3a5d109b0a91"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1e997c1e-c4b0-4166-93ed-87bb7332be5e",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/73607",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-92b83478-046d-432b-9eb5-3a5d109b0a91"
  }
}