void pagina2::CalcPR(nodo *pagina, int cant) {

    if (cant < 1) {
        return;
    }

    nodo *tempN;
    arista * tempA;
    double tempPR;
    tempPR = pagina->pr;
    tempN = pagina;

    nodo * temp2;
    temp2 = tempN->sig;


    while (tempN != 0) {
        while (temp2 != 0) {
            if (tempN->usado && tempN != temp2) {
                tempA = temp2->adyc;
                while (tempA != NULL) {
                    if (tempA->nombre == tempN->nombre) {
                        if (temp2->bl == 0)
                            getNodo(tempA->nombre)->pr = 0;

                        tempPR += getNodo(tempA->nombre)->pr / temp2->bl;
                    }
                    tempA = tempA->sig;
                }
            }
            else {
                if (tempN == temp2)
                    temp2 = temp2->sig;

                if (!tempN->usado)
                    tempN->sig;
            }

            temp2 = temp2->sig; //Here's where I get the error "Exception thrown: read access violation. temp2 was nullptr."

        }

        tempN->pr = (1 - d) + d * tempPR;

        tempN = tempN->sig;
        temp2 = pagina;
    }

    CalcPR(primeroN, cant--);

    return;
}

CalcPR(primeroN, cant--);