nasal issues - bad argument to setprop/getprop path: expected a string

[wkitty42]

i've just downloaded this craft to help someone else who was having problems... their problem was not with the craft itself... however, i did find the following nasal errors after exiting the sim...

Nasal runtime error: bad argument to setprop/getprop path: expected a string
at /home/myuser/myflightgear/Aircraft/MiG-29_9-12/Nasal/electrical.nas, line 1090
called from: /home/myuser/myflightgear/Aircraft/MiG-29_9-12/Nasal/electrical.nas, line 189
called from: /home/myuser/flightgear-dev/fgdata-ng/Nasal/globals.nas, line 119
Nasal runtime error: bad argument to setprop/getprop path: expected a string
at /home/myuser/myflightgear/Aircraft/MiG-29_9-12/Nasal/electrical.nas, line 1149
called from: /home/myuser/myflightgear/Aircraft/MiG-29_9-12/Nasal/electrical.nas, line 192
called from: /home/myuser/flightgear-dev/fgdata-ng/Nasal/globals.nas, line 119
Nasal runtime error: bad argument to setprop/getprop path: expected a string
at /home/myuser/myflightgear/Aircraft/MiG-29_9-12/Nasal/electrical.nas, line 1207
called from: /home/myuser/myflightgear/Aircraft/MiG-29_9-12/Nasal/electrical.nas, line 195
called from: /home/myuser/flightgear-dev/fgdata-ng/Nasal/globals.nas, line 119

i used the autostart option in the MiG-29 menu to start the craft...