Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/58039",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-329db057-7b91-4a87-a7d3-e5acc70adbf9",
      "cw-12b46514-a9cc-4c08-91ec-7c5732866b53"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-7c161361-5a93-4131-8bc6-a11d7fd1e58a",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/58039",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-12b46514-a9cc-4c08-91ec-7c5732866b53"
  }
}