             return _errorEmojiSymbole
         }
         set (newValue) {
-            _errorEmojiSymbole = newValue
+            if !newValue.isEmpty {
+                _errorEmojiSymbole = newValue
+            }
         }
     }
     

            return _starSymbole
        }
        set (newValue) {
            _starSymbole = newValue
        }
    }
    

            return _arrowSymbole
        }
        set (newValue) {
            if !newValue.isEmpty {
                _arrowSymbole = newValue
            }
        }
    }
    
