Oracle Message PCC-01014 - VARYING not supported with PIC N PICTURE clause

ERRORVARYING not supported with PIC N PICTURE clause
CAUSEThe keyword VARYING was used in a PIC N variable declaration.
ACTIONRemove the keyword VARYING from the variable declaration. If you want to declare a PIC N VARCHAR variable, specify the precompiler option VARCHAR=YES and declare the variable as an implicit VARCHAR group item as illustrated by the following example: EXEC SQL BEGIN DECLARE SECTION END-EXEC. ... 01 ENAME. 05 ENAME-LEN PIC S9(4) COMP. 05 ENAME-ARR PIC N(20). ... EXEC SQL END DECLARE SECTION END-EXEC.