Error in Couenne in amplpy

I am getting the following message when I run the solver with couenne using amplpy

Couenne 0.5.8 – an Open-Source solver for Mixed Integer Nonlinear Optimization
Mailing list:
Instructions: Couenne, a solver for non-convex MINLP problems
couenne: exit value 18446744072635809797

@fdabrandao Could you help me on this