Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/72354",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a09a8f45-08b2-4fde-9fe1-fdd4ff1fb092",
      "cw-c551bbd4-8991-4281-a261-28e0e4387ced"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-4c74ce7f-da53-4f2c-8f6e-7b533dfa6928",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/72354",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-c551bbd4-8991-4281-a261-28e0e4387ced"
  }
}