I think there is a typo in line 19 of lpvecthessvect.m (LimitPointMap folder):
jac(:,:,h)=lpmjac(xit,p,h);
should be
jac(:,:,h)=lpmjac(x1,p,h);
(see also a similar line in lpvecthesspvect.m (lin 22) which is correct)
This can give a problem if the user has a symbolic Jacobian that is vectorized.
Best wishes
Egbert