Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/62664",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-af0b9c2f-c858-4523-8246-f49e1ceb3393",
      "cw-52675171-0431-4115-8db9-8043c56c5d5b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e4b87fc3-5933-4f90-a445-1facb01ced59",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/62664",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-52675171-0431-4115-8db9-8043c56c5d5b"
  }
}