Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/49326",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-b9199efc-ae5a-4c9a-afef-901e8b2d9a22",
      "cw-80e7e7eb-1847-4576-bba2-c2b20e463f17"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-2304e800-ab06-45c9-9fcb-f2a1b9ed23df",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/49326",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-80e7e7eb-1847-4576-bba2-c2b20e463f17"
  }
}