[Serusers] ERROR: forward_reply: no 2nd via found in reply - via parsing error

Hi, I have a chcek via parameter set in the ser.cfg file When ser receives reply with such via header it returns ERROR: forward_reply: no 2nd via found in reply This Via seems to be ok? Via: SIP/2.0/UDP 192.168.0.165:7160;branch=z9hG4bK1589.3bc310b3.1,SIP/2.0/UDP 192.168.0.165:7060;branch=z9hG4bK1589.e1306596.0,SIP/2.0/UDP 192.168.129.74 ;rport=5060;branch=z9hG4bK1589.606a3e61.0,SIP/2.0/UDP 192.168.129.74:5160 ;branch=z9hG4bK1589.a5bd9fb4.0,SIP/2.0/UDP 192.168.129.74;branch= z9hG4bK1589.506a3e61.0,SIP/2.0/UDP 192.168.0.102:7060 ;rport=7060;branch=z9hG4bK-d87543-a228576fa32c0b22-1--d87543- What is wrong? Cheers tomasz