Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/6038185",
    "isFetching": false
  },
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    "collectionIndex": 0,
    "companionAreaOpen": true,
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    ],
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    "id": "window-c4a8377b-2faf-4317-9a8c-c3da5d65d885",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/6038185",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b3d88451-7f0c-456f-b977-10ce8551ca82"
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}