java.lang.UnsupportedOperationException: Not a number: "1"

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java.lang.UnsupportedOperationException: Not a number: "1"
at com.samczsun.skype4j.internal.participants.info.ContactImpl.updateProfile(ContactImpl.java:280)
at com.samczsun.skype4j.internal.participants.info.ContactImpl.(ContactImpl.java:103)
at com.samczsun.skype4j.internal.client.FullClient.loadAllContacts(FullClient.java:124)
at com.mrpowergamerbr.skykaty.SkyKatyApp.loginWith(SkyKatyApp.java:192)
at com.mrpowergamerbr.skykaty.view.LoginView$1$1.run(LoginView.java:72)
at java.lang.Thread.run(Thread.java:745)

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