Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/2944",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-372f2c8d-0697-4085-87ba-89426b45c614",
      "cw-a47238bc-9237-4309-8b60-6042ff107c26"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f9c1aeb6-8097-4553-9a0b-72fe4843dd7d",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/2944",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a47238bc-9237-4309-8b60-6042ff107c26"
  }
}