java.lang.NoClassDefFoundError: org/aspectj/lang/Signature

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java.lang.NoClassDefFoundError: org/aspectj/lang/Signature
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(
at net.adrianromero.dataconnection.DefaultConnectionContext.login(Unknown Source)
at net.adrianromero.tpv.forms.JFrmTPV.startTPV(
at net.adrianromero.tpv.forms.JFrmTPV.access$300(
at net.adrianromero.tpv.forms.JFrmTPV$
at java.awt.event.InvocationEvent.dispatch(
at java.awt.EventQueue.dispatchEvent(
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(
at java.awt.EventDispatchThread.pumpEventsForHierarchy(
at java.awt.EventDispatchThread.pumpEvents(
at java.awt.EventDispatchThread.pumpEvents(

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