Created site to site ipsec tunnel through above mentioned devices, but not working getting error at cisco side as,
%PIX-5-713041: IP = 18.104.22.168, IKE Initiator: New Phase 1, Intf 2, IKE Peer 22.214.171.124 local Proxy Address 172.16.66.0, remote Proxy Address 192.168.2.0, Crypto map (outside_map)
%PIX-4-713903: IP = 126.96.36.199, Header invalid, missing SA payload! (next payload = 4)
%PIX-6-713905: IP = 188.8.131.52, Duplicate Phase 1 packet detected. Retransmitting last packet.
also attaching the fortigate configuration snapshots please go thru attach files.