The Complete Message:
There are shearwalls in the X / Y direction. Bearing system type A11 in X / Y direction cannot be selected.
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 .