Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/48179",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-06033548-4909-429a-abe4-92ec5f28ef6d",
      "cw-3a354d19-361d-4378-b159-3b248d24f946"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a247e696-ccd3-43e2-9115-28b9d95cf80a",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/48179",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-3a354d19-361d-4378-b159-3b248d24f946"
  }
}