Resolution:
Correct the code; then recompile.
Example:
The following example shows incorrect use of the Obselete attribute.
class-id A. method-id main static. declare o1 = new B invoke o1::Meth1 end method. end class. class-id B attribute System.Obsolete ("This is an obsolete type causing warning"). method-id Meth1 attribute System.Obsolete ("This is an obsolete method causing error", true). display "In Meth1" end method. end class.