Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/58031",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-cf3abf41-f992-4f6c-9a9f-d77d44db5dea",
      "cw-6cf45131-ef9a-4d84-89ba-b2816db9715c"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-75c40acc-7a69-4446-b6aa-df637c1af2ca",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/58031",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-6cf45131-ef9a-4d84-89ba-b2816db9715c"
  }
}