java.io.InvalidClassException: import_export.objekte.Spieler; local class incompatible: stream classdesc serialVersionUID = 4087753089674047772, local class serialVersionUID = 4242541931837216997
at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:519)
at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1546)
at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1460)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1693)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1299)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:339)
at import_export.Importierer.leseObjekte(Importierer.java:113)