The boost limited has been activated, which means your boost is higher than allowed settings in the boost limiter.
Most common issues and how to fix them
•Check your logfile using either the Live-logger or the Built-in Logger.
•Lower your boost.
•Increase the boost limit settings to handle a higher boost level.
•Check all your wastegate hoses.
•Do a boost pipe pressure test to make sure there is no leaks.
