Unexpected item type in sound group

[CyberRex0]

java.lang.IllegalArgumentException: Unexpected item type in sound group.
	at com.thane98.bcsarview.core.structs.entries.SoundGroup.buildItemsList(SoundGroup.kt:37)
	at com.thane98.bcsarview.core.structs.entries.SoundGroup.<init>(SoundGroup.kt:27)
	at com.thane98.bcsarview.core.structs.Info.readGroupTable(Info.kt:148)
	at com.thane98.bcsarview.core.structs.Info.<init>(Info.kt:62)
	at com.thane98.bcsarview.core.structs.Csar.<init>(Csar.kt:51)
	at com.thane98.bcsarview.ui.MainWindowController$openFile$1.invoke(MainWindowController.kt:166)
	at com.thane98.bcsarview.ui.MainWindowController$openFile$1.invoke(MainWindowController.kt:165)
	at com.thane98.bcsarview.ui.forms.AbstractFormController$performWithWaitingScreen$1.invoke(AbstractFormController.kt:20)
	at com.thane98.bcsarview.ui.forms.AbstractFormController$performWithWaitingScreen$1.invoke(AbstractFormController.kt:18)
	at kotlin.concurrent.ThreadsKt$thread$thread$1.run(Thread.kt:30)

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