Oracle : Ошибка ORA-30677


"session is already connected to a debugger"
*Cause: An attempt to connect a session to a debugger could not proceed
because the session is already connected to some debugger.
*Action: Either use the option to force a connection or first disconnect the
session from its existing debugger.

Попробовать перевести


Поискать эту ошибку на форуме