Access failde to table with blob field

I use Borland C++ Builder 5.0, BDE Administrator 5.01 and database Oracle 8i
rel 8.1.7.4.0.
When i active a table (TDatabase, TTable), with your structure contain blob
fields, i receive the exception:
"General SQL Error, ORA 00936, missing expression".
How can i resolve this problem ?
Thanks Marius !