Could not alloc node id (2 replies)

I`m trying to use ndb_desc but it gaves me this error:

[root@s214 bin]# ndb_desc -c localhost transfer_ro_s3 -d sent -p
Configuration error: Error : Could not alloc node id at localhost port 1186: No free node id found for mysqld(API).
Unable to connect to management server.

NDBT_ProgramExit: 1 - Failed

[root@s214 bin]#


I also have 2 mysql api slot empty for conectivity:
ndb_mgm> show
Cluster Configuration
---------------------
[ndbd(NDB)] 2 node(s)
id=2 @86.x.x.4 (mysql-5.1.47 ndb-7.1.5, Nodegroup: 0)
id=3 @193.x.x.212 (mysql-5.1.47 ndb-7.1.5, Nodegroup: 0, Master)

[ndb_mgmd(MGM)] 1 node(s)
id=1 @193.x.x.214 (mysql-5.1.47 ndb-7.1.5)

[mysqld(API)] 4 node(s)
id=4 @86.x.x.4 (mysql-5.1.47 ndb-7.1.5)
id=5 @193.x.x.212 (mysql-5.1.47 ndb-7.1.5)
id=6 (not connected, accepting connect from any host)
id=7 (not connected, accepting connect from any host)

ndb_mgm>

Anyone have any ideea?

Thanks.