Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/81901",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-78a5c77c-2e81-41a4-960c-7a99ca06f648",
      "cw-09af7f69-c0ff-4070-8d0d-41bf71e724bb"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-693df869-03d2-4c24-a314-f02f41f3de4f",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/81901",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-09af7f69-c0ff-4070-8d0d-41bf71e724bb"
  }
}
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