In my alertlog appears this error:

Thread 1 advanced to log sequence 280217
Current log# 2 seq# 280217 mem# 0: /opt/oradb/oradata/tcidb/redo02.log
Fri Apr 20 17:39:32 2001
Completed: alter database open
Fri Apr 20 17:39:34 2001
kccrsz: denied expansion of controlfile section 9 by 19575 record(s)
the number of records is already at maximum value (65535)
krcpwnc: following controlfile record written over:
RECID #214682 Recno 60662 Record timestamp
04/15/01 08:12:51
Thread=1 Seq#=214682 Link-Recid=214681
Low
scn: 0x0000.006af72c
04/15/01 08:12:51
Next
scn: 0x0000.006af73d

What does this means. I need very fast help.
What can I do!!!
Thanks for all assistance !!!!

Regards
Thomas Schmidt