SqlMaskingUtils.cast map nvarchar to varchar if derby

process/Sql_lib/process.js

@@ -3398,6 +3398,7 @@ SqlMaskingUtils.prototype.cast = function (pField, pTargetDatatype, pTargetLengt
         case db.DBTYPE_DERBY10:
             switch(pTargetDatatype) 
             {
+                case SQLTYPES.NVARCHAR:
                 case SQLTYPES.VARCHAR:
                     // Because of a Derby bug, you can't cast INTEGER into VARCHAR
                     // Therefor first cast to char then to varchar