Prepare error

[applmgr@ebs-nlcdev1 patch]$ adop phase=prepare

Enter the APPS password:

Enter the SYSTEM password:

Enter the WLSADMIN password:

Validating credentials...

Initializing...

     Run Edition context  : /u01/install/APPS/fs2/inst/apps/EBSDB_ebs-nlcdev1/appl/admin/EBSDB_ebs-nlcdev1.xml

     Patch edition context: /u01/install/APPS/fs1/inst/apps/EBSDB_ebs-nlcdev1/appl/admin/EBSDB_ebs-nlcdev1.xml

     Patch file system freespace: 72.72 GB

Validating system setup...

     [ERROR]     Failed to prepare SQL statement :

  select AD_ZD_ADOP.GET_INVALID_NODES() from dual

     [ERROR]     Error Message :

     [ERROR]     Failed to prepare SQL statement :

  select AD_ZD_ADOP.GET_INVALID_NODES() from dual

     [ERROR]     Error Message :

     [UNEXPECTED]Nodes "-1" are listed in ADOP_VALID_NODES table but not in FND_NODES table.