Simply record a ORA-00600: internal error code, arguments: [4194]

Next, after the resolution of SCN problem, encountered ORA-600 [4194]/[4193] error.

Fault symptom:

An error is reported when you OPEN the database:ORA-00600: internal error code, arguments: [4194], [], [], [], [], [], [], []

4193: indicates that undo and redo are inconsistent (Arg [a] Undo record seq number, Arg [B] Redo record seq number );
4194: It indicates that undo and redo are inconsistent (Arg [a] Maximum Undo record number in Undo block, Arg [B] Undo record number from Redo block)

Troubleshooting:

1. Modify parameters
Undo_management = MANUAL
Undo_tablespace = SYSTEM
2. OPEN the database, delete the current undo space, and recreate the undo Space
3. Modify parameters
Undo_management = AUTO
Undo_tablespace = UNDOTBS1
4. Restart the database