There are shearwalls. A11 cannot be selected

The Complete Message:

A11 structural system , seismic effects the whole transfer torque ductility high level was defined as buildings with reinforced concrete frames are met.

Possible solutions:

• Only the column should be defined in the system.

• If there is a shearwall in the project , A14 or A15 should be selected as the system type in the Analysis Settings / TBDY 2018 Earthquake Code Wizard, depending on the condition that the walls are with or without gaps .