Database Error Messages

Either OCIStmtPlaceholderSubstitute() was called after OCIStmtExecute(), or the statement was prepared without specifying the mode OCI_PREP2_OCI_PLACEHOLDER to OCIStmtPrepare2().

1. Prepare the statement using OCIStmtPrepare2() with mode OCI_PREP2_OCI_PLACEHOLDER before calling OCIStmtPlaceholderSubstitute().
2. Call OCIStmtPlaceholderSubstitute() before calling OCIStmtExecute().

1. OCIStmtPlaceholderSubstitute() was called after OCIStmtExecute() which was not allowed.
2. The statement was prepared without specifying the mode

OCI_PREP2_OCI_PLACEHOLDER to OCIStmtPrepare(2).

The statement should be prepared using OCIStmtPrepare(2) with mode OCI_PREP2_OCI_PLACEHOLDER before calling OCIStmtPlaceholderSubstitute().