As of July 2025, there are two known OpenSolver issues caused by Microsoft code changes. These are a RefEdit issue that breaks the Model dialog (see #6 on Help; a user can easily fix this) and a DLL access change that impacts NOMAD (see #10 on Help; fixing this requires editting VBA code).
Hello I’m a master degree student in chemical engineering. I really thank that you develop this tool. I have an issue that I can not use the “model” it’s send me to the “Private Sub AutoLayout()” highlight line 56 “With refObj”
Welcome to the OpenSolver world. What are you modelling?
To sort the RefEdit issue, please see our help pages (and search for my RefEdit section). Hope this helps,
Andrew