Media Recovery Waiting for thread 1 sequence <SEQUENCE#> (in transit)

Hi

I am trying to convert a physical standby to logical standby.

All log have been transfered and applied on this physical standby. Following document for the standby on RAC environement

SQL> alter database recover managed standby database cancel;

SQL> ALTER SYSTEM SET CLUSTER_DATABASE=FALSE SCOPE=SPFILE;

SQL> SHUTDOWN ABORT;

SQL> STARTUP MOUNT EXCLUSIVE;

SQL> ALTER DATABASE RECOVER TO LOGICAL STANDBY 'p1108s2';

It takes long time.

The alert file shows

'Media Recovery Waiting for thread 1 sequence 1541 (in transit)'

I start the active redo apply and make sure all received log are applied and no gap exist.