D-Link Express EtherNetwork DI-804HV Router (DI804HVB) "sonicwall error" Questions

...SonicWall log and this is what it says "starting ISAKMP phase 1 negotiation, an error occurred, the peer is not responding to phase 1 ISAKMP requests". This used to work and I must have changed ...

Error logs on Sonicwall 01/29/2008 01:50:27.336 - Warning - VPN IKE - Received packet retransmission. Drop duplicate packet - 202.70.200.22, 500 - 202.70.195.14, 500 - VPN Policy: IOLHDQ 01/29/2008 01