When you save a mapping, check the status to see if the mapping is valid. Mapping status displays in the header of the Mapping Designer.

If the mapping is not valid, you can use the

Validation

panel to view the location and details of mapping errors. The

Validation

panel displays a list of the transformations in the mapping. Error icons display by the transformations that include errors.

In the following example, the Accounts_By_State Target transformation contains one error: