Transport error: Invalid object reference in Business Objects Production servers

Issue

We get an error message in the log file on all the Business Objects Production servers

Transport error: Invalid object reference.

[root@localhost log]# tail -20 messages
May  7 14:24:50 bo-prdapp1 businessobjects[8256]: Successfully registered with name com.some.dns.server.com"-localhost.SetsQueryServer with name server
May  7 14:29:31  boe_fcprocd[20650]: Transport error: Invalid object reference.
May  7 14:30:01  su(pam_unix)[14513]: session opened for user root by (uid=0)
May  7 14:30:02  su(pam_unix)[14513]: session closed for user root
May  7 14:36:49  sshd(pam_unix)[21483]: session opened for user bxiadmin by (uid=0)
May  7 14:39:12  businessobjects[9370]: Transport error: Invalid object reference.
May  7 14:41:31  boe_fcprocd[20650]: Transport error: Invalid object reference.
May  7 14:50:01  sshd(pam_unix)[27369]: session closed for user root
May  7 14:50:47  businessobjects[6652]: Transport error: Invalid object reference.
May  7 14:53:31  boe_fcprocd[20650]: Transport error: Invalid object reference.
May  7 14:56:23  boe_fccached[31897]: Transport error: Invalid object reference.
May  7 14:56:23  businessobjects[9428]: Transport error: Invalid object reference.
May  7 15:00:54  sshd(pam_unix)[14462]: session opened for user root by (uid=0)
May  7 15:00:54  pident[14702]: SSH login to user root (/dev/pts/0) from  user@example.com (192.168.0.1) port 42622 (UNIX)
May  7 15:03:13  businessobjects[9370]: Transport error: Invalid object reference.
May  7 15:05:31  boe_fcprocd[20650]: Transport error: Invalid object reference.
May  7 15:08:23  boe_fccached[31897]: Transport error: Invalid object reference.
May  7 15:08:24  businessobjects[9428]: Transport error: Invalid object reference.
May  7 15:10:01  sshd(pam_unix)[23808]: session opened for user root by (uid=0)
May  7 15:10:01  pident[24138]: SSH login to user root (/dev/pts/1) from user@example.com (192.168.0.1) port 42622 (UNIX)
[root@localhost log]# pwd
/var/log