[Ipopt] exit code 3221225477

[Bistra Dilkina]

Hi, All

i am new to using IPOPT.
I am trying to solve a nonlinear nonconvex problem. My model works on
a small example with 4 variables, but when I try 18 variables I get
immediately an error without any search :
exit code 3221225477


Thank you for your help,
bistra