I'm doing a test migration with miggui on OES2 SP2a + patches 64-bit and source data on NW 6.5.8. If I don't elect to migrate trustees, the data copies just fine. Trying to include trustee info results in the following error:

2010-06-12 12:15:09,667 INFO  - FILESYSTEM:mls:Scanning DATA:dl for rights, trustees and quotas using mls
2010-06-12 12:15:09,668 INFO  - FILESYSTEM:mls:Executing command: /opt/novell/migration/sbin/mls --source-server --source-path "DATA:dl"  --session-file "/var/opt/novell/migration/NewProj0/fs/DATA_dl_mls.session" --progress --progress-interval 1  --source-unsecure-ldap  --source-ldap-port 389
2010-06-12 12:15:10,953 INFO  - FILESYSTEM:mls:Successfully scanned trustees
2010-06-12 12:15:10,953 INFO  - FILESYSTEM:maptrustees:Mapping users and groups from DATA:dl to /media/nss/LEADATA01/dl-trustee using maptrustees
2010-06-12 12:15:10,954 INFO  - FILESYSTEM:maptrustees:Executing command: /opt/novell/migration/sbin/maptrustees --source-server --destination-ldap-container "ou=staff,o=lea" --session-file "/var/opt/novell/migration/NewProj0/fs/DATA_dl_maptrustees.session" "/var/opt/novell/migration/NewProj0/fs/DATA_dl_mls.yaml"  --progress --progress-interval 1  --source-unsecure-ldap  --source-ldap-port 389
2010-06-12 12:15:11,419 FATAL - FILESYSTEM:maptrustees:Fatal: Caught exception: private method `gsub!' called for nil:NilClass
2010-06-12 12:15:11,433 ERROR - FILESYSTEM:maptrustees:maptrustees command failed!
Any ideas?