Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/74347",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f55f0840-be0b-4d26-99f3-2e819c0440bc",
      "cw-c366bd23-0227-4cb3-9d9b-6a16757ec646"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1948f176-4acf-46a4-a305-bd7e87ff893b",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/74347",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c366bd23-0227-4cb3-9d9b-6a16757ec646"
  }
}