Please confirm that when you say "connected" - that you're actually referring to a wireless or wired connection between R1 and R2. As the devices in your previous thread lacked a true connection between R1 and R2.
Yes, Line 1 and 2 state that: the device 192.168.1.1 is informing device 192.168.1.193 - that 192.168.0.11 is not reachable via 192.168.1.1. It used an ICMP Packet Type 3-0 (Destination Network Unreachable) message.
(Also, moving thread to Installing and Using OpenWrt.)