Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/41868",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-6bbb0b94-dd27-4d72-bc14-2fe4539355c1",
      "cw-9eb8ce38-af1b-431d-9978-fff210f88948"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-be41808f-4ac4-40df-8952-86e1a062c70e",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/41868",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-9eb8ce38-af1b-431d-9978-fff210f88948"
  }
}