https://jaffardba.blogspot.com/2007/01/bug-4200702-block-change-tracking-when.html
Jaffar's (Mr RAC) Oracle blog: Bug 4200702 - BLOCK CHANGE TRACKING WHEN USING DIRECT LOAD
According to Metalink Note : 300989.1, when block change tracking enabled and using direct load operations, it is like to get an ORA-19694 o...