Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/68440",
    "isFetching": false
  },
  "window": {
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    "companionAreaOpen": true,
    "companionWindowIds": [
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    ],
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    "highlightAllAnnotations": false,
    "id": "window-fdb5c608-09f1-4023-a03f-c6ac69817483",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/68440",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b4d31950-d6fb-49ef-be8c-5997222f71ba"
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}