Oracle Message PCB-00320 - VARYING host variable string is an Oracle extension

ERRORVARYING host variable string is an Oracle extension
CAUSEAn Oracle extension to the ANSI/ISO SQL standard was used. Specifically, a variable declared of VARYING type was used in a SQL statement. This informational message is issued by the FIPS Flagger when FIPS=YES.
ACTIONNo action is required. However, for ANSI/ISO compliance, do not use this statement.