Answerset columns containing character values are displayed as blank in Teradata SQL assistant ver14

Teradata Applications

Answerset columns containing character values are displayed as blank in Teradata SQL assistant ver14

when iran i query, the resulting answer set containing colums which is having alphabetical values(for ex: names) are displayed as blank. but in actually these tbales are having alphabetical values. Don't know what happened.

Can any one please help me how to view it  in proper again