Oracle : Ошибка ORA-17619

"max number of processes using I/O slaves in a instance reached"
*Cause: An attempt was made to start large number of processes
requiring I/O slaves.
*Action: There can be a maximum of 35 processes that can have I/O
slaves at any given time in a instance.

Попробовать перевести

Поискать эту ошибку на форуме