Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/84055",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2fda99d5-defa-4af0-b8b8-5dcea984f575",
      "cw-936d12d1-6a60-43a2-bced-1bdcba73cc56"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-67ebc2ef-bd52-45a1-a29d-43cda9806d7e",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/84055",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-936d12d1-6a60-43a2-bced-1bdcba73cc56"
  }
}