In this post, you’ll learn more about the Oracle ErrorORA-12699: Native service internal error with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-12699: Native service internal error
Reason for the Error ORA-12699: Native service internal error
An internal error occurred in the native services component.
How to fix the Error ORA-12699: Native service internal error ?
You can fix this error in Oracle by following the below steps
Enable tracing to determine the exact error. Contact Oracle Customer Support.