Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/81597",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f3b2f8dc-6813-4d13-814e-a55364736a08",
      "cw-e5b56677-6acc-4a93-9e91-09b1beb44b26"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-97e5440e-549c-4614-b53a-47f3fa9f9aa4",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/81597",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e5b56677-6acc-4a93-9e91-09b1beb44b26"
  }
}