on standby : ORA-00322 "(og 7 of thread 1 is not current copy) and ORA-360 (not a logfile member:)

 hi
somebody can help me ?

I use oracle 10.2.0.3

on my standby I have errors  ORA-00322 and the errors : RFS[1]: Archivelog thread 1 sequence 28689 cannot be reused

Like explain in article :294431.1 I try to drop achived log but i have a error   ORA-360, what can I do ?

SQL> ALTER DATABASE DROP STANDBY LOGFILE MEMBER  '/opt/oracle/oradata/redo1/tetrix01/standby/stdb_redog7m2.log';
ALTER DATABASE DROP STANDBY LOGFILE MEMBER  '/opt/oracle/oradata/redo1/tetrix01/standby/stdb_redog7m2.log'
*
ERROR at line 1:
ORA-00360: not a logfile member:
/opt/oracle/oradata/redo1/tetrix01/standby/stdb_redog7m2.log

this is a extract a alert_log