Mirador viewer

SyntaxError: Unexpected end of JSON input
{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/578637",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-5d4c3cdf-4d7e-43bc-bfa0-5ecc55d0b1e9",
      "cw-f38cf755-17d5-4ffb-b416-85133ac74731"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-c5dc856b-b15f-423a-a356-2fd8f23107fd",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/578637",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f38cf755-17d5-4ffb-b416-85133ac74731"
  }
}
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