Problems with TeachingDemos package

R2wd is working but i received an alarm:

wdtxtStart()

Error en R2wd::wdGet() : tentativa de aplicar una no-funci?n 
 The translation is "attempt to apply a no-function"



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Mario Garrido Escudero
PhD student
Dpto. de Biolog?a Animal, Ecolog?a, Parasitolog?a, Edafolog?a y Qca.
Agr?cola
Universidad de Salamanca

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