Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/72351",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-47140073-7bcd-4707-9406-79750fffbba5",
      "cw-b0edebe0-4ba2-4c1e-bb7e-6c5cd22b827a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a9c6fb88-a975-4d39-acea-82674ed536db",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/72351",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b0edebe0-4ba2-4c1e-bb7e-6c5cd22b827a"
  }
}