Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/20624",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-8466888d-6c04-4e19-b28a-e7a7ed0b4ddc",
      "cw-c56bcf86-4e5b-4480-9c89-9a2050d26dd8"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-ff39fc1f-3e6f-439a-b5bd-75636c096030",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/20624",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c56bcf86-4e5b-4480-9c89-9a2050d26dd8"
  }
}