Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/75745",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-84e3ec23-2142-4cbd-80fc-e9a97d2dab12",
      "cw-c5888051-7be2-47f9-8ee7-04d52257048e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f45e7610-8248-4c22-8aef-a0f8664f2783",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/75745",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c5888051-7be2-47f9-8ee7-04d52257048e"
  }
}