Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/581603",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-9c7f5917-4994-445c-af22-4b6901a5107f",
      "cw-e20f648d-2b73-45cc-a885-6c3f082e2a9d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-b718386c-8f5c-4b0e-a8e7-7ffa67a55391",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/581603",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-e20f648d-2b73-45cc-a885-6c3f082e2a9d"
  }
}