Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/58029",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-82f4a7bd-031f-4a0e-a908-1c5f97ae7f35",
      "cw-b2a5345b-22f9-403c-98ad-379bb4673176"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-e5ed8206-606e-4727-b4a1-30cd839af8ad",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/58029",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-b2a5345b-22f9-403c-98ad-379bb4673176"
  }
}