[Serusers] Problem with x-lite

I downloaded and installed x-lite. I have ser 0.94 installed. When I run x-lite I get the following error message: "too many hops". Here is my debug genereted diagnostic file: RECEIVE TIME: 1612039441 RECEIVE << 193.136.200.29:5060 SIP/2.0 483 Too Many Hops Via: SIP/2.0/UDP 193.136.200.243:5060;rport=5060;branch=z9hG4bK18B8047B00510A97C31D22B62AE45C57 From: passarinho <sip:passarinho@uc.pt>;tag=1589912204 To: <sip:sdfsd@uc.pt>;tag=576e8cc17f33d0f359abdf9cdb6daab0.2316 Call-ID: 7E1E1823-3C0C-90C0-CB60-1F9D044C785C(a)193.136.200.243 CSeq: 49228 INVITE Server: Sip EXpress router (0.9.4 (i386/linux)) Content-Length: 0 Warning: 392 193.136.200.29:5060 "Noisy feedback tells: pid=2244 req_src_ip=193.136.200.29 req_src_port=5060 in_uri=sip:sdfsd@uc.pt out_uri=sip:sdfsd@uc.pt via_cnt==18" SEND TIME: 1612039442 SEND >> 193.136.200.29:5060 ACK sip:sdfsd@uc.pt SIP/2.0 Via: SIP/2.0/UDP 193.136.200.243:5060;rport;branch=z9hG4bK18B8047B00510A97C31D22B62AE45C57 From: passarinho <sip:passarinho@uc.pt>;tag=1589912204 To: <sip:sdfsd@uc.pt>;tag=576e8cc17f33d0f359abdf9cdb6daab0.2316 Contact: <sip:passarinho@193.136.200.243:5060> Call-ID: 7E1E1823-3C0C-90C0-CB60-1F9D044C785C(a)193.136.200.243 CSeq: 49228 ACK Max-Forwards: 70 Content-Length: 0 Can anyone tell me what the problem is? Thanks Marco Passarinho