The error occurs after changing the SQL of a detailtable during the OnDataChange event of the datasource of the mastertable to a value without :parameters
Code: Select all
from:
select * from AR where AR_NR = :AR_NR
to:
select * from AR where AR_NR = 1234

Using UniDAC Version 5.5.12 for Delphi XE2 with MSSQL 2008