Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4603319",
    "isFetching": false
  },
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    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
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    "highlightAllAnnotations": false,
    "id": "window-f5e793f2-6607-461a-b90f-a3f40bf461e1",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4603319",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-6a4b0bb6-b62d-42f7-8fe2-6797f216c3c4"
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}