Usually, this error will go away the next time you press the key to activate Vlingo. If it does not, we suggest you exit Vlingo and then restart it.
If that does not work, you may have another application trying to record, which is conflicting with Vlingo. Turn your phone off and then back on again. If that still does not solve the problem, you may need to terminate the other application manually (such as when it starts up automatically).