Thread:Project:Support desk/MediWiki with Oracle/reply (11)

ORA-02291 is a foreign key constraint violation. This probably shouldn't happen on a fresh install but most likely on an upgrade from an old version. Is this the case? The name of the foreign key would be very useful to know where it happens.

38916 lists all currently known issues with Oracle (see the Depends on field). If this bug is not there you should create a new one and mark it as blocker of bug 38916.