ORA-00600: internal error code

Error:

ORA-00600: internal error code, arguments: [kcratr1_lostwrt], [], [],[], [],[], [], []

Description:

This erorror occurs during database startup.

Resolution:

Step 1: Start the database in Mount Stage (SQL>startup mount)
Step 2: Recover the database (SQL>recover database)
Step 3: Open the database (SQL> alter database open)