Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/53383",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-538fba77-cc70-48d6-b8e6-22ca53812d3f",
      "cw-f4ad331e-5aff-48bc-a832-784f90ac59b0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-a8ed2718-38ee-4ea2-84fe-c0197ba9a7b8",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/53383",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f4ad331e-5aff-48bc-a832-784f90ac59b0"
  }
}