The Error 'Boundary condition has not been defined' in construction stages. how to resolve this? 

Creation date: 10/17/2018 11:07 PM    Updated: 4/24/2023 4:47 PM
Answer: 

This error arrives when the boundary or boundary nodes are not activated in construction stage. 
 Check whether the support nodes were assigned to any structure group and that structure group is activated in correct construction stage. 
Also,
Check whether the support was assigned to any boundary group and that boundary group is activated in correct construction stage. 
Files