Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/54433",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
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      "cw-69b686be-9167-4d37-a0c8-778a540212c0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-5551654c-9acb-4bbb-a4f7-03dc62affa8f",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/54433",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-69b686be-9167-4d37-a0c8-778a540212c0"
  }
}