For ubb the user will need all permissions usually.
Quote
ALTER
CREATE
CREATE ROUTINE
CREATE TEMPORARY TABLES
CREATE VIEW
DELETE
DROP
EXECUTE
INDEX
INSERT
LOCK TABLES
REFERENCES
SELECT
UPDATE
Then the only thing I can think of other that trying again from scratch is since the version you have is like from 2006 is it is very old and may not compatible with the newer versions of mysql or php you are using.

Blue Man Group
There is no such thing as stupid questions. Just stupid answers