java.lang.NullPointerException: This exception has no message.

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via Stack Overflow by Kike Collada
, 1 year ago
This exception has no message.
java.lang.NullPointerException:
at fichasGeneral.FichasGeneral.valorContable(FichasGeneral.java:30)
at fichasGeneral.FichasGeneral.toString(FichasGeneral.java:242)
at java.lang.String.valueOf(String.java:2994)
at java.lang.StringBuilder.append(StringBuilder.java:131)
at fichasGeneral.FichasRegistradas.toString(FichasRegistradas.java:69)
at java.lang.String.valueOf(String.java:2994)
at java.io.PrintStream.println(PrintStream.java:821)
at controladores.ControladorFichasGeneral.ejecutarAccion(ControladorFichasGeneral.java:92)
at controladores.ControladorFichasGeneral.controlarFichas(ControladorFichasGeneral.java:53)
at controladores.ControladorPrincipal.ejecutarMenuPrincipal(ControladorPrincipal.java:67)
at controladores.ControladorPrincipal.controlar(ControladorPrincipal.java:48)
at principal.Main.main(Main.java:21)

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