Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/71124",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
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      "cw-58cfcaec-200a-4ca7-b860-6815ec8665b3"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-7fe507ce-e3b2-4c5f-b9c5-9fa5085f1af3",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/71124",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-58cfcaec-200a-4ca7-b860-6815ec8665b3"
  }
}