@SorinGFS I solved it, my problem was with the NPM version … it seems that 7 does not work for me, so I updated Node with NPM 6.14.11 and now it is working.
@SorinGFS I solved it, my problem was with the NPM version … it seems that 7 does not work for me, so I updated Node with NPM 6.14.11 and now it is working.