Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/68017",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-c762bc19-8f67-4096-a242-2b3fd465c96e",
      "cw-323f5bb3-175c-4993-8010-da0545b48afd"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c55f2de3-fb42-4e64-8918-01feacc80bd4",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/68017",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-323f5bb3-175c-4993-8010-da0545b48afd"
  }
}