Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/13555",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-73add9ab-ceae-4a4a-8dc1-42593dfc0f58",
      "cw-87aa3782-b0ac-42ff-89af-8ea8a73d96ee"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-d5c7a5a7-00c3-449c-add9-25a2e7f6e931",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/13555",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-87aa3782-b0ac-42ff-89af-8ea8a73d96ee"
  }
}