Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/68026",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-c603c191-637a-4205-a3e1-6749ac564480",
      "cw-037b9912-6d8d-4826-af6b-3135dcbbdc49"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-0a300961-820e-4893-9ba3-89653c5684c0",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/68026",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-037b9912-6d8d-4826-af6b-3135dcbbdc49"
  }
}