You need to set 'GatewayPorts' to 'yes' in your 'sshd_config' file.
Otherwise, you'll see lot of errors like the ones you are talking about.
Just make sure that these lines are in your sshd_config file:
If most of your traffic is working you most likely either already have the 'AllowTcpForwarding' option set properly, or it is unset. Yes is the default. 'GatewayPorts,' however, defaults to no.