Fix exception when creating a new library (#6080)
Fix exception when creating a new library (#6080)


Siedlerchr/jabref,JabRef/jabref,sauliusg/jabref,sauliusg/jabref,Siedlerchr/jabref,Siedlerchr/jabref,JabRef/jabref,JabRef/jabref,sauliusg/jabref,JabRef/jabref,sauliusg/jabref,Siedlerchr/jabref