Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/81172",
    "isFetching": false
  },
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    "highlightAllAnnotations": false,
    "id": "window-d81ba5da-ee6e-4624-93ed-9a33f07cf724",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/81172",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-5eec2312-3237-4675-85ab-4c3875231e3c"
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}