Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/58000",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-6592e5aa-780f-4ec2-849e-fd34f1c2ad33",
      "cw-215438a3-8d5b-4471-bd5f-948834844cdc"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a1bf5b87-5961-4623-a382-2256813e8c96",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/58000",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-215438a3-8d5b-4471-bd5f-948834844cdc"
  }
}