Hello everybody I'm trying to understand & so some changes in a program the point is that I keep getting the same error although everything "should be" right this is the error Could not play sound file: file:/E:/ISE/Fundamental%20programming/Lab%203/lab3/sounds/note7.wav If you have a sound card installed, check your system settings. java.lang.IllegalArgumentException: No line matching interface Clip supporting format PCM_SIGNED 48000.0 Hz, 24 bit, stereo, 6 bytes/frame, little-endian is supported. at javax.sound.sampled.AudioSystem.getLine(AudioSystem.java:476) at greenfoot.sound.SoundClip.load(SoundClip.java:137) at greenfoot.sound.SoundClip.open(SoundClip.java:101) at greenfoot.sound.SoundClip.processState(SoundClip.java:239) at greenfoot.sound.ClipProcessThread.run(ClipProcessThread.java:74) at java.lang.Thread.run(Thread.java:722) I have done the following: saved all the sounds in the sounds folder all sounds are "wav" code is written right I guess any help is good