TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://digitalcollections.library.gsu.edu/iiif/2/ajc:9144/manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-46e671de-1f17-477d-bd64-e2bc731c044c",
      "cw-a610a519-b18c-4822-b7d0-f5540c62a04d"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-1cc67999-f6b3-4e98-927d-0f44275df4a9",
    "manifestId": "https://digitalcollections.library.gsu.edu/iiif/2/ajc:9144/manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-a610a519-b18c-4822-b7d0-f5540c62a04d",
    "thumbnailNavigationPosition": "none",
    "allowClose": false,
    "loadedManifest": "https://digitalcollections.library.gsu.edu/iiif/2/ajc:9144/manifest.json",
    "allowFullscreen": true,
    "allowMaximize": false
  }
}