Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/7523",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-2e9c6e3b-8e50-444b-8405-e932af0e0770",
      "cw-25ad6819-afb7-475f-84fb-0e9f9895653a"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-4724f512-5b3d-447b-8ef1-3f4c3826ee63",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/7523",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-25ad6819-afb7-475f-84fb-0e9f9895653a"
  }
}