Message Oracle ORA-39703 - server version and script version do not match

ERRORserver version and script version do not match
CAUSEAn upgrade, downgrade, reload, or patch script was invoked, but the database instance version was not the version for which the script was intended.
ACTIONCheck that the correct ORACLE_HOME and ORACLE_SID environment variables are set. Also check that the SQL script is being invoked from the correct ORACLE_HOME.