It will automatically calculate the view factor to
ground. Your problem is with these:
** Severe ** Out of range value Numeric Field#2
(Number of Vertices), value=0.00000, range={>=3}, in
BUILDINGSURFACE:DETAILED=7839D9
** Severe ** Out of range value Numeric Field#2
(Number of Vertices), value=0.00000, range={>=3}, in
BUILDINGSURFACE:DETAILED=B2DD62
** Severe ** Out of range value Numeric Field#2
(Number of Vertices), value=0.00000, range={>=3}, in
BUILDINGSURFACE:DETAILED=402BFB
** Severe ** Out of range value Numeric Field#2
(Number of Vertices), value=0.00000, range={>=3}, in
BUILDINGSURFACE:DETAILED=C0B423
in at least one, it looks like this:
BuildingSurface:Detailed,
7839D9, !- Name
Floor, !- Surface Type
Exterior Floor, !- Construction Name
2355A0, !- Zone Name
Ground, !- Outside Boundary Condition
, !- Outside Boundary Condition Object
NoSun, !- Sun Exposure
NoWind, !- Wind Exposure
, !- View Factor to Ground
0; !- Number of Vertices