Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/15430",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-bbf4049e-0030-4553-b3d8-4cd5b795d3c2",
      "cw-dde1d38b-651a-4a82-a4f1-66cd31a7c824"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-4508ee17-0d94-4aac-b5df-fb6b14bf60c5",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/15430",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-dde1d38b-651a-4a82-a4f1-66cd31a7c824"
  }
}