java.lang.NoClassDefFoundError

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  • java.lang.NoClassDefFoundError
    via by 807549,
    • java.lang.NoClassDefFoundError: javax/mail/Message at Start$Smail.actionPerformed(Start.java:32) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1764) at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(AbstractButton.java:1817)
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