TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://digitalcollections.library.gsu.edu/iiif/2/ajc:4809/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-6e4be19a-a887-419f-a53f-1c8b4f58ff5c",
      "cw-2a0c928d-5cae-4e5c-afcf-e3e3a46179b2"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-84557357-1c43-4622-8b6c-c4c9b8ef5116",
    "manifestId": "https://digitalcollections.library.gsu.edu/iiif/2/ajc:4809/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-2a0c928d-5cae-4e5c-afcf-e3e3a46179b2",
    "thumbnailNavigationPosition": "none",
    "allowClose": false,
    "loadedManifest": "https://digitalcollections.library.gsu.edu/iiif/2/ajc:4809/manifest.json",
    "allowFullscreen": true,
    "allowMaximize": false
  }
}