The BCSDB underwent major upgrade to version 3.
This version is incompatible with BCSDB version 2 (that was at this address) on the database level.
The BCSDB version 2 support was ceased in 2008.
Please use the following address to access the latest version of the database:
http://www.glyco.ac.ru/bcsdb3/
If by some reason you need old BCSDB version use this link:
http://www.glyco.ac.ru/bcsdb/start_old.shtml