TypeError: Failed to fetch

{
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    "error": "TypeError: Failed to fetch",
    "id": "https://www.fina.gov.pl/manifest/pan_kleks_w_kosmosie_96_manifest.json",
    "isFetching": false
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    "manifestId": "https://www.fina.gov.pl/manifest/pan_kleks_w_kosmosie_96_manifest.json",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-2f01833a-1e0c-4ab7-89ac-c3928c564a62",
    "view": "single"
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