Re: HOW TO SOLVE THIS ISSUE?
Hello,
This control is valid for TBDY 2018 . Select "2018 TDY" in the Analysis Settings dialog.
Uncheck the "Apply 4.3.2.4 to all system typs withe shear wall" line in the "TDY Options" tab.
Select TDY 2007 again and analyze. No error message will appear.