Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/70848",
    "isFetching": false
  },
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    "highlightAllAnnotations": false,
    "id": "window-608d1502-4602-4935-a293-02d2fdd92738",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/70848",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a38726ed-f4fe-411b-894a-5b35f5277ee6"
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}