Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/obj/29820",
    "isFetching": false
  },
  "window": {
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    "companionWindowIds": [
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    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-37428ea7-f818-488e-82ec-e78e406a3d22",
    "manifestId": "https://manifests.collections.yale.edu/ycba/obj/29820",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7c5d15a1-6ab9-46fc-8f49-e7de425da361"
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}