Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4668778",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a0bf84ad-baf5-4f6f-8fea-7cbf4029fea8",
      "cw-3314f7ec-96ed-441a-b105-aa7e0917307e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-18e8dd8b-1fb3-421d-affc-9543b333dcb3",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4668778",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3314f7ec-96ed-441a-b105-aa7e0917307e"
  }
}