Error:(28) Error: This Class Should Provide A Default Constructor (a Public Constructor With No Arguments) (myclassname.helpdialog) [instantiatable]

Everything went fine while compiling in debug mode. But while compiling in Release configuration, following error occurs : Error:(28) Error: This class should provide a default c

Solution 1:

Add this bro:

public HelpDialog( ){ 
  super(null);
}