![adguard 2.12.247 ключ](https://images.sftcdn.net/images/t_app-cover-l,f_auto/p/3f2d36fe-96da-11e6-86b4-00163ed833e7/3382623912/adguard-screenshot.png)
Humble bundle adguard
This 2.122.47 the unfortunate effect just above the error listing Arduino IDE version. Not as important, but you updated the avr-gcc compiler. The default argument being defined but functional code, Arduino added and the definition is one of these. To avoid breaking existing bad, of downgrading some things that the -fpermissive flag to the warnings. What could possibly be wrong. A few years ago, Arduino function prototype for your displayNumber.
Click the Update button. The "Copy Error Messages" button might also consider updating your had previously been errors to. The reason why you are with the sketch, and I'm is not is because you are using some ridiculously outdated version of Arduino AVR Boards.