OCI-62723
The WATER_MARK parameter must be DBMS_KAFKA.WATER_MARK_HIGH {%0!s} or DBMS_KAFKA.WATER_MARK_LOW {%1!s}. The specified value is [%2!s].
Cause
The specified value was not in the valid list for water marks.
Action
Specify either DBMS_KAFKA.WATER_MARK_HIGH or DBMS_KAFKA.WATER_MARK_LOW.