A relational database management system (DBMS) from Oracle, which runs on more than 80 platforms. Introduced in the late 1970s, Oracle was the first database product to run on a variety of platforms from micro to mainframe. Starting in 1999 with Version 8

The specific group: ORA Messages

Oracle Exception Messages

The specific error code:

Chosen lang:
ORA-09945Unable to initialize the audit trail file
Cause:Check the UNIX error number for a possible operating system error. If there is no error, contact ORACLE customer support.
Action:ORACLE unable to write header information to the file being used as the audit trail.