To fix your MM button if it is disabled, follow these steps:

 

- open the console by pressing CTRL+F8

 

- copy the following text to your clipboard by selecting it and pressing CTRL+C:

UICall matchmaking RequestTmmPopularityUpdate

 

- go back to HoN and press CTRL+V to paste the text into the console

 

- press ENTER to run this command

 

- close the console by pressing CTRL+F8

 

 

 

Next time you start HoN and need to use this command, open the console and just press the UpArrow keyboard key until this command appears (UpArrow key cycles through recently used commands).

 

 

 

- Marach