I used,
Delphi 5 with update pack 1
IBobject version 3.6.Cf
Report Builder 5.5 Enterprise
used IBOPipeline 1999-09-09 package(in addOn) and replace the
existing with
IBOPipelineUnit update 12/01/2000


I could not compile , It show message .

[Error] IBOPipeleneUnit.pas(316):Declaration of 'TraverseBy' differs
from
previous declaration
[Error] IBOPipeleneUnit.pas(316):Method 'GetFieldIsNull' not found
in base
class
[Error] IBOPipelene.dpk(32):Could not compile used unit
'IBOPipelineUnit.pas'

How I can solve ?