Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/75565",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b4ea3a0d-6747-47c2-8f08-96e357abc46d",
      "cw-825fc860-cfd0-410a-93d6-1ad1186186bf"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a338a20d-d587-4a1e-8265-9a62940e29f6",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/75565",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-825fc860-cfd0-410a-93d6-1ad1186186bf"
  }
}