Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/3507527",
    "isFetching": false
  },
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    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
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    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-7d886605-ab49-45f4-94eb-c8c26064bef8",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/3507527",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-1b52cced-d23b-4735-97d2-36e86201463b"
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}