fix

gframe/client_field.cpp

@@ -4,7 +4,6 @@
 #include "duelclient.h"
 #include "data_manager.h"
 #include "image_manager.h"
-#include "sound_manager.h"
 #include "game.h"
 #include "materials.h"
 #include "../ocgcore/field.h"

gframe/event_handler.cpp

@@ -2042,6 +2042,7 @@ bool ClientField::OnCommonEvent(const irr::SEvent& event) {
 				mainGame->gameConf.music_volume = (double)mainGame->scrMusicVolume->getPos() / 100;
 				soundManager.SetSoundVolume(mainGame->gameConf.sound_volume);
 				soundManager.SetMusicVolume(mainGame->gameConf.music_volume);
+				return true;
 				break;
 			}
 			}

gframe/replay_mode.cpp

@@ -2,7 +2,6 @@
 #include "duelclient.h"
 #include "game.h"
 #include "single_mode.h"
-#include "sound_manager.h"
 #include "../ocgcore/duel.h"
 #include "../ocgcore/field.h"
 #include "../ocgcore/mtrandom.h"

gframe/single_mode.cpp

 #include "single_mode.h"
 #include "duelclient.h"
 #include "game.h"
-#include "sound_manager.h"
 #include "../ocgcore/duel.h"
 #include "../ocgcore/field.h"
 #include "../ocgcore/mtrandom.h"