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.
at fichasGeneral.FichasGeneral.valorContable(
at fichasGeneral.FichasGeneral.toString(
at java.lang.String.valueOf(
at java.lang.StringBuilder.append(
at fichasGeneral.FichasRegistradas.toString(
at java.lang.String.valueOf(
at controladores.ControladorFichasGeneral.ejecutarAccion(
at controladores.ControladorFichasGeneral.controlarFichas(
at controladores.ControladorPrincipal.ejecutarMenuPrincipal(
at controladores.ControladorPrincipal.controlar(
at principal.Main.main(

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