TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://www.fina.gov.pl/manifest/P10845-1-B.json",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-731858af-6f35-49e3-8d57-cea7ae13c379",
      "cw-168d9fa6-9907-4ae5-acd0-f456f7277992"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-6db42cb4-a3e8-4c8b-84a8-d88b29956ede",
    "manifestId": "https://www.fina.gov.pl/manifest/P10845-1-B.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-168d9fa6-9907-4ae5-acd0-f456f7277992",
    "view": "single"
  }
}