Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/7552",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-22098b05-bc7d-413e-bd63-a98e821a5b4d",
      "cw-b1854f05-8d07-4c97-b61d-a904da0870c6"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-f9ce80c2-324f-434a-a06a-7d570dbd02a9",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/7552",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b1854f05-8d07-4c97-b61d-a904da0870c6"
  }
}