Message Oracle PLS-00227 - subprogram in formal string is not yet denotable

ERRORsubprogram in formal string is not yet denotable
CAUSEWhen the formal parameters of a subprogram were declared, one parameter was used to initialize another, as in PROCEDURE my_proc (j NUMBER, k NUMBER : = j) IS ... The first parameter has no value until run time, so it cannot be used to initialize another parameter.
ACTIONRemove the illegal formal parameter reference.