Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/72142",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-62a9d992-f2ef-459e-aa67-3119bae8dd0f",
      "cw-62d413ea-7cd7-435e-b9ce-8acec289ef90"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ba987501-7645-45e8-a1c4-75bed1f9d393",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/72142",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-62d413ea-7cd7-435e-b9ce-8acec289ef90"
  }
}