***WARNING - INSTABILITY AT JOINT 234 DIRECTION = FZ

Question

Hello, 
 
 I was wondering if any can help me with my STAAD model. 
 I have all the nodes and beams in, 
 I have release the joints that need to be release. I am having troubles with 
 instability at joints and I have tried everything to fix. Can some one please help me? 
 
 I have upload my STAAD please take a look. working progress 100 (1)-nesw.std

Modestas · Answer

There are a lot of members in your model which are not intersecting, so this leads to instabilities. To fix that, select all the members in the model and go to Geometry -> Intersect Selected Members -> Intersect. Once this is done, go to Tools -> Check Duplicate -> Members and merge duplicate beams. This should take care of any warnings in your model.