Error -X999 NFS Salvador

Estamos enfrentando erro ao emitir a NFS

{
    "id": "nfs_3a1b01aedf394a818b586aac0a719986",
    "created_at": "2025-07-08T14:06:05.593Z",
    "status": "erro",
    "ambiente": "producao",
    "DPS": {
        "serie": "1",
        "nDPS": "3592"
    },
    "mensagens": [
        {
            "codigo": "X999",
            "descricao": "Erro de Conexão: Extra content at the end of the document\n"
        },
        {
            "codigo": "HTTP 500",
            "descricao": "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\r\n<html xmlns=\"http://www.w3.org/1999/xhtml\">\r\n<head>\r\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=iso-8859-1\"/>\r\n<title>500 - Internal server error.</title>\r\n<style type=\"text/css\">\r\n<!--\r\nbody{margin:0;font-size:.7em;font-family:Verdana, Arial, Helvetica, sans-serif;background:#EEEEEE;}\r\nfieldset{padding:0 15px 10px 15px;} \r\nh1{font-size:2.4em;margin:0;color:#FFF;}\r\nh2{font-size:1.7em;margin:0;color:#CC0000;} \r\nh3{font-size:1.2em;margin:10px 0 0 0;color:#000000;} \r\n#header{width:96%;margin:0 0 0 0;padding:6px 2% 6px 2%;font-family:\"trebuchet MS\", Verdana, sans-serif;color:#FFF;\r\nbackground-color:#555555;}\r\n#content{margin:0 0 0 2%;position:relative;}\r\n.content-container{background:#FFF;width:96%;margin-top:8px;padding:10px;position:relative;}\r\n-->\r\n</style>\r\n</head>\r\n<body>\r\n<div id=\"header\"><h1>Server Error</h1></div>\r\n<div id=\"content\">\r\n <div class=\"content-container\"><fieldset>\r\n  <h2>500 - Internal server error.</h2>\r\n  <h3>There is a problem with the resource you are looking for, and it cannot be displayed.</h3>\r\n </fieldset></div>\r\n</div>\r\n</body>\r\n</html>\r\n"
        }
    ]
}

Foi resolvido.

Boa tarde, @brunowebmaster.

Esse erro indica instabilidade no servidor da prefeitura.