private ColumnError makeDuplicateRoleError(Entry<String,List<Integer>> roleEntry){
  final String duplicateRoleMessage=I18N.getGUILabel("io.dataimport.step.data_column_configuration.error_table.column_error.duplicate_role_message",roleEntry.getKey(),listToString(roleEntry.getValue()));
  return new ColumnError(roleEntry.getValue(),roleEntry.getKey(),duplicateRoleMessage);
}

private ColumnError makeDuplicateRoleError ( Entry < String , List < Integer > > roleEntry ) { final String duplicateRoleMessage = I18N . getGUILabel ( "io.dataimport.step.data_column_configuration.error_table.column_error.duplicate_role_message" , roleEntry . getKey ( ) , listToString ( roleEntry . getValue ( ) ) ) ; return new ColumnError ( roleEntry . getValue ( ) , roleEntry . getKey ( ) , duplicateRoleMessage ) ; }
creates an error for the given roleentry .
