Message Oracle ORA-24434 - OCIStmtRelease called before OCIStmtPrepare2.

ERROR	OCIStmtRelease called before OCIStmtPrepare2.
CAUSE	An attempt was made to release a statement without first preparing it using OCIStmtPrepare2.
ACTION	Call OCIStmtPrepare2 before OCIStmtRelease.