> OK, next idea :-) Are you sure the database is ODS version 11 ?

(gstat -h will tell you)

Yes.

Database header page information:
Flags 0
Checksum 12345
Generation 8889
Page size 16384
ODS version 11.0
Oldest transaction 8877
Oldest active 8878
Oldest snapshot 8878
Next transaction 8879
Bumped transaction 1
Sequence number 0
Next attachment ID 0
Implementation ID 19
Shadow count 0
Page buffers 0
Next header page 0
Database dialect 3
Creation date Aug 3, 2007 13:25:55
Attributes

Regards,
Steffen