error when save pdf on linux

[CRAG666]

Code:

    public async Task<UploadedFileInformation> RenderPdf<T>(string module, string vista, T format)
    {
        string pathFolder = Path.Combine(storage, $"{file.Id}-{file.Name}");
        byte[] pdf = await _generatePdf.GetByteArray($"Modules/{module}/Views/{vista}.cshtml", format);
        File.WriteAllBytes(pathFolder, pdf);

@fpanaccia help me pleace