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AutoCAD Based HydraCAD Residential (Ribbon/Toolbar/Location)
Description:
No Halo, no sprinkler, Message "Argument must be a number" ,
1. HCAD_ENV.INI is pointing at the C:Drive and HydraCAD-R is installed on a different drive.
1. Go to (drive):\H40\PROG\Cad-R, find and open HCAD_ENV.INI change the line CADDRIVE=C: to CADDRIVE=S: if you have installed to the S: drive, or CADDRIVE=D: if you have installed to the D: drive, etc.