If data checking is not required for user-defined columns, in the

Check Field Types

box on the

Data Checking

tab of the

Data Map Properties

dialog box, clear the check boxes for all datatypes. Also, for each user-defined field, display the

Field Checking

tab of the

Field Properties

dialog box and then select

Yes

or

No

under

Select Field for checking?

instead of

Use Data Map rules

.