Portico1SBV.STD
thanks if I actually had that problem, see how I indicate to the program that I am going to place a bolt between these sections I indicate with an image
There are some member in your model which are not connected to the remaining structure. You can identify these members by going to Utilities -> Structure Tools -> Multiple Structures. So fix make sure that these members are properly connected to the remaining structure and see if this resolves your issue.