Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/68080",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b84a4eb4-808e-4921-99fa-a15b6e9cd3ad",
      "cw-bd60abab-6a86-41ba-bb11-e2fe04affcb1"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-900961cc-0ea2-4340-b639-60ddd7525989",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/68080",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-bd60abab-6a86-41ba-bb11-e2fe04affcb1"
  }
}