Method must have a return type

Method must have a return type

Process completed with exit code 1.

Failed to clean up database cluster directory C:\actions-runner\_work\_temp\codeql_databases. Details: Error: EBUSY: resource busy or locked, unlink 'C:\actions-runner\_work\_temp\codeql_databases\log\build-tracer.log'

Nullability of reference types in type of 'event PropertyChangedEventHandler DeploymentMod.PropertyChanged' doesn't match implicitly implemented member 'event PropertyChangedEventHandler? INotifyPropertyChanged.PropertyChanged'.

Nullability of reference types in type of 'event PropertyChangedEventHandler Arma3Profile.PropertyChanged' doesn't match implicitly implemented member 'event PropertyChangedEventHandler? INotifyPropertyChanged.PropertyChanged'.

Nullability of reference types in type of 'event PropertyChangedEventHandler ArmaDeployment.PropertyChanged' doesn't match implicitly implemented member 'event PropertyChangedEventHandler? INotifyPropertyChanged.PropertyChanged'.

Nullability of reference types in type of 'event PropertyChangedEventHandler TempData.PropertyChanged' doesn't match implicitly implemented member 'event PropertyChangedEventHandler? INotifyPropertyChanged.PropertyChanged'.

Nullability of reference types in type of 'event PropertyChangedEventHandler ProcessSpy.PropertyChanged' doesn't match implicitly implemented member 'event PropertyChangedEventHandler? INotifyPropertyChanged.PropertyChanged'.

Nullability of reference types in type of 'event PropertyChangedEventHandler SteamUpdaterViewModel.PropertyChanged' doesn't match implicitly implemented member 'event PropertyChangedEventHandler? INotifyPropertyChanged.PropertyChanged'.

Nullability of reference types in type of 'event PropertyChangedEventHandler ArmaModCollection.PropertyChanged' doesn't match implicitly implemented member 'event PropertyChangedEventHandler? INotifyPropertyChanged.PropertyChanged'.

Cannot convert null literal to non-nullable reference type.

Nullability of reference types in type of 'event PropertyChangedEventHandler ArmaMod.PropertyChanged' doesn't match implicitly implemented member 'event PropertyChangedEventHandler? INotifyPropertyChanged.PropertyChanged'.