Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/4374",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b1afa077-7d51-43a2-8cc1-faa556d4ac5c",
      "cw-eeb66c64-8a39-4a0e-b0a9-68406f02109b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-20a0e7ec-5467-4a9c-908b-db973c58f2e3",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/4374",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-eeb66c64-8a39-4a0e-b0a9-68406f02109b"
  }
}
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