Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/42454",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-85740e66-ba21-4333-9d77-b6e4b447ae11",
      "cw-b3feee61-31f1-4256-8929-8edc353a85cc"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-9455a4b4-b7b0-49a5-9ad9-924ec61509a0",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/42454",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b3feee61-31f1-4256-8929-8edc353a85cc"
  }
}
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