Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/68283",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-57ff0329-6841-4aaf-9be4-99f989ae7aef",
      "cw-924bb6db-80ae-4721-b3fd-ba021dd6978e"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-85a5ba9b-a7b0-48e2-b52e-9616bfc16e0b",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/68283",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-924bb6db-80ae-4721-b3fd-ba021dd6978e"
  }
}