Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/73625",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-74373cdb-a3fd-4fc4-9022-fb2a5ccba68d",
      "cw-033a14c7-b6f3-4724-966e-6d9ad686e7f0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-fba41bf0-9520-456b-8b02-628e7b718142",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/73625",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-033a14c7-b6f3-4724-966e-6d9ad686e7f0"
  }
}