Reply...
Allen,
Going section-by-section, I narrowed it down to this panel.cfg entry, but I can't determine what is the actual trigger. The remainder of the panel.cfg works flawlessly.
[Vcockpit04]
Background_color=0,0,0
size_mm=512,512
position=7
visible=0
ident=
pixel_size=512,512
texture=$vc4.bmp
gauge00=737-400!Transponder, 9,27,175,64
gauge01=boeing777-300!PFD, 187,30,111,61
gauge02=boeing777-300!Comm 1, 5,94,144,67
gauge03=boeing777-300!Clock, 5,165,72
gauge04=boeing777-300!Nav 1, 148,95,150,67
gauge05=cessna!VOR1, 78,164,70,71
gauge06=cessna!Master_Alt_Bat, 5,240,41,60
gauge07=cessna!Avionics Switch, 48,240,36,63
gauge08=cessna182rg!Switches, 93,244,193,61
gauge09=concorde!Annunciator, 0,306,286,32
gauge10=concorde!Radio-Lights, -1,340,286,48
gauge11=concorde!Radio-Adf, 294,334,127
gauge12=concorde!Radio-Altimeter, 150,166,74
gauge13=concorde!Radio-Comm1, 293,278,127
gauge14=concorde!Radio-Naviagtion-1, 429, 278 ,55,52
gauge15=concorde!Radio-Naviagtion-2, 431,333,56
gauge16=concorde!Radio-Transponder, 298,173,199,94
gauge17=GPS100A, 303,29,194,132
gauge18=concorde!Fuel-Flow, 226,169,64,70
gauge19=mooney_bravo!Fuel Flow, 343,391,144,70
gauge20=mooney_bravo!Clock, 232,393,108,64
gauge21=mooney_bravo!Amps, 169,391,58,62
gauge22=mooney_bravo!Fuel Pressure, 100,391,67,61
gauge23=mooney_bravo!Altitude Alerter, 2,391,95,62