TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://www.fina.gov.pl/manifest/okruchy_wojny__scena_3_manifest.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-1bed669d-f476-494a-b528-e45a99ed7541",
      "cw-f93ac862-ddfc-4d89-ba84-d9d14e79da6b"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-3807d19a-75b4-44c5-8123-b1b5a532dc44",
    "manifestId": "https://www.fina.gov.pl/manifest/okruchy_wojny__scena_3_manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-f93ac862-ddfc-4d89-ba84-d9d14e79da6b",
    "view": "single"
  }
}