TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://digitalcollections.library.gsu.edu/iiif/2/GSB:14314/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-678e28b4-30e5-41d4-acba-220657a3ebaf",
      "cw-2258331f-217c-4d78-b97d-7fa2a5759a6b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1f55911e-8540-4f30-b9cc-b4d34147779a",
    "manifestId": "https://digitalcollections.library.gsu.edu/iiif/2/GSB:14314/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-2258331f-217c-4d78-b97d-7fa2a5759a6b",
    "thumbnailNavigationPosition": "none",
    "allowClose": false,
    "loadedManifest": "https://digitalcollections.library.gsu.edu/iiif/2/GSB:14314/manifest.json",
    "allowFullscreen": true,
    "allowMaximize": false
  }
}