[*** MaskAction ***]
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException: Cannot invoke "java.io.InputStream.read(byte[], int, int)" because "this.in" is null
at java.base/java.io.ObjectInputStream$PeekInputStream.read(Unknown Source)
at java.base/java.io.ObjectInputStream$PeekInputStream.readFully(Unknown Source)
at java.base/java.io.ObjectInputStream$BlockDataInputStream.readShort(Unknown Source)
at java.base/java.io.ObjectInputStream.readStreamHeader(Unknown Source)
at java.base/java.io.ObjectInputStream.<init>(Unknown Source)
at org.exmaralda.masker.Masker.initBrownNoiseWavFile(Masker.java:69)
at org.exmaralda.masker.Masker.<init>(Masker.java:48)
at org.exmaralda.folker.application.ApplicationControl.mask(ApplicationControl.java:3143)
at org.exmaralda.folker.actions.transcriptionactions.MaskAction.actionPerformed(MaskAction.java:33)