Unable to use old name ''{0}'' for class ''{1}'' because ''{0}'' already exists in folder ''{2}'' as a class or function. Renaming ''{0}'' to ''{1}'' using class aliasing is not supported because ''{0}'' is a built-in class or defined in another language. Using a built-in class as an alias is not supported. Unable to define an alias for ''{0}'' because ''{0}'' is a built-in class. Using a built-in class as the target of an alias definition is not supported. Invalid alias definition found for class ''{0}''. When renaming a class multiple times, use a single call to addAlias with all old names specified. Illegal alias configuration. Class''{0}'' is an alias for class ''{1}'', but ''{1}'' is itself is an alias for another class. This is not allowed. Class alias name ''{0}'' and current name ''{0}'' are the same. Class ''{0}'' cannot be used as an alias for more than one class. Unable to use ''{0}'' as a class name because the name is already in use as an alias for the built-in class ''{1}''. Unable to define an alias for class ''{0}'' because there is no class definition with the name ''{0}'' in folder ''{1}''. Class ''{0}'' is used as the new name in two or more alias definitions. The later alias definitions will be ignored.