Invalid number at character 1
- Invalid radix 10 number at character 1
- Invalid radix 16 number at character 1
- Invalid radix 10 number at character 1 null
- Invalid radix 10 number at character 1 dart
- Unhandled exception formatexception invalid number at character 1
- Formatexception invalid radix 16 number at character 1
- Formatexception invalid radix 10 number at character 1 flutter
- Error formatexception invalid radix 10 number at character 1
- Invalid radix 16 number at character 1 flutter
- Invalid literal for int() with base 10 '' error in python