Subject Problem with IBO and FastReport

i got a problem with IBO and FastReport if i use a Decimal(18,0).
If i try to print a IB_query ,i got the message that the
Variantoperation is not valid.
I use D5 with IBO 3.6Dg.
I tried to contact Alexander, but up to now, i've heared nothing from
Has someone solved this problem ?
Best regards

Elmar Knoerzer