Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/70351",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-ef9b3727-d2c7-44eb-8fb1-a70d0cbd917a",
      "cw-1ba66c27-c544-4b6d-8a1a-41f4be4c5de7"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-4d559d15-72aa-4125-969e-88a99ae249e5",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/70351",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1ba66c27-c544-4b6d-8a1a-41f4be4c5de7"
  }
}