Features and examples:
BadCovariance
CannotImportPlugin
ConfigurationFileCorrupt
CppInterfaceNotAvailable
DetDoesNotExist
FitFailed
ForbiddenRegionOfParameterSpace
LikelihoodIsInfinite
MinLargerMax
MinimizerNotAvailable
NegativeBackground
NoFitYet
TimeTypeNotKnown
TriggerDoesNotExist
deprecated
my_format_warning()