Message Oracle PCB-00600 - indicators are not allowed in EXEC IAF statements

ERRORindicators are not allowed in EXEC IAF statements
CAUSEIndicator variables associated with host variables cannot be used in EXEC IAF statements such as GET and PUT in a user exit.
ACTIONEliminate the indicator variables. If feasible (for example with Forms V4), use EXEC TOOLS statements, which do allow indicator variables. See the Programmers Guide to the Oracle Precompilers for more information of EXEC IAF and EXEC TOOLS statements.