This is the DVI-Novell repair for Btrieve Error loading BTR database:
NOVELL CLIENT 4.91 SP2
Replace the file Calwin32.dll with the new calwin32.dll (dated 27Jan2006 or newer)
2 or 3 locations listed below: (remember do a search for all locations)
C:\Novell\novell client 4.91 sp2 english\Libs32
C:\tel\winnt\i386\Libs32 (not all PC's)
C:\WINNT\System32
This file must be copied at "SAFE MODE command prompt"