Might be your old Maven NBM modules perhaps? I think you can try to create a new Maven-based NBM and it will open. See how they pom.xml files differ.
--emi On Tue, May 12, 2020 at 9:43 PM Enciu Petre <petre.en...@vesta-system.com> wrote: > > > Hello > > Apache netbeans 11.3 does not support nbm packaging. > > Every module having nbms packaging are unloadable in this version. > > Thanks > > [image: LogoVestaTranspa1009.png] > > *ENCIU* Petre > > Ingénieur R&D > > Société Vesta – System > > http://www.vesta-system.com > > ( > > +40 724 697 577 > > * > > petre.en...@vesta-system.com > <petre.en...@vesta-system.com?subject=Demande%20d'info%20vesta-system.com> > > Visiter aussi > > http://www.cades-solutions.com > > > > >