java.lang.NullPointerException: This exception has no message.

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via robocode by fnl
, 1 year ago
This exception has no message.
java.lang.NullPointerException	at robocode.sound.SoundManager.playSound(Unknown Source)	at robocode.sound.SoundManager.playBulletSound(Unknown Source)	at robocode.battle.Battle.playSounds(Unknown Source)	at robocode.battle.Battle.runRound(Unknown Source)	at robocode.battle.Battle.run(Unknown Source)	at java.lang.Thread.run(Unknown Source)