You can't invoke a 0 unless you type this into console. Sourcemod has an option where you can change levels through the menu. This is what we're referring to. Also, the same happens with other level changing plugins. There were no issues with 4.1. Therefore, it is a problem with 4.2.
- To further what we are talking about, the round ends, shows the round report, match ends, shows the match report, and the game hangs.