ORA-38722: ON or OFF expected.
Cause: The ALTER DATABASE FLASHBACK command was specified without the ON or OFF keyword.
Action: Retry the command with the ON or OFF keyword.
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ORA-38722 is an Oracle database error caused when an unexpected ‘ON’ or ‘OFF’ value is encountered while parsing an SQL statement. This error can occur if an SQL statement contains invalid syntax or if the SQL statement tries to refer to a non-existent object.
Official Explanation:
This ORA-38722 error message is issued when a user tries to execute an SQL statement which contains an unexpected ON or OFF value while parsing.
Common Cases:
This error can occur if an SQL statement contains incorrect syntax, such as having a syntax error or trying to reference an object that does not exist.
Normal Procedure:
To resolve this issue, the user should check the syntax of the SQL statement for any errors and make sure that any objects referenced actually exist in the database.