Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/25220",
    "isFetching": false
  },
  "window": {
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    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
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      "cw-87536c0f-94c6-4d8f-b6af-b3779242c0b9"
    ],
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    "highlightAllAnnotations": false,
    "id": "window-bdc0c0b0-5d52-4a8f-a886-9d509ab88b2a",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/25220",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-87536c0f-94c6-4d8f-b6af-b3779242c0b9"
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}