Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/44314",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-03d52a84-aff0-44e5-b81d-17904ecfbf0f",
      "cw-b9c25a78-58db-4c43-b9bb-2b57bd08d2d4"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a651156c-0d48-44d3-af59-9aeeb0dd5139",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/44314",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b9c25a78-58db-4c43-b9bb-2b57bd08d2d4"
  }
}