Unhandled Exception:
System.ArgumentNullException: Value cannot be null.
Parameter name: s
at System.Int32.Parse (System.String s) [0x00003] in <6649516e5b3542319fb262b421af0adb>:0
at Cliente.Add () [0x0000c] in <1c362a71be2742619fd36593d10889b7>:0
at Program.Main () [0x00005] in <1c362a71be2742619fd36593d10889b7>:0
[ERROR] FATAL UNHANDLED EXCEPTION: System.ArgumentNullException: Value cannot be null.
Parameter name: s
at System.Int32.Parse (System.String s) [0x00003] in <6649516e5b3542319fb262b421af0adb>:0
at Cliente.Add () [0x0000c] in <1c362a71be2742619fd36593d10889b7>:0
at Program.Main () [0x00005] in <1c362a71be2742619fd36593d10889b7>:0