The restore went well, as I mentioned.

When I execute a RECOVER DATABASE, this is what I get:

starting media recovery
media recovery failed
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of recover command at 08/01/2008 10:23:41
RMAN-11003: failure during parse/execution of SQL statement: alter database recover if needed
start until cancel using backup controlfile
ORA-01153: an incompatible media recovery is active