本体の起動について

r.nakaです。
fgrunをウィザードから起動しようとしても起動できません。
コマンドラインの内容を貼り付けます。
Option '--trace-read=' needs a parameter


Usage: fgfs [ option ... ]

General Options:
--help, -h Show the most relevant command line options
--verbose, -v Show all command line options when combined
with --help or -h
--fg-root=path Specify the root data path
--fg-scenery=path Specify the base scenery path;
Defaults to $FG_ROOT/Scenery
--language=code Select the language for this session
--disable-save-on-exit Don't save preferences upon program exit
--enable-save-on-exit Allow saving preferences at program exit
--control=mode Primary control mode (joystick, keyboard,
mouse)

Aircraft:
--aircraft=name Select an aircraft profile as defined by a top
level <name>-set.xml
--show-aircraft Print a list of the currently available
aircraft types

--min-status={alpha,beta,early-production,production}
Allows you to define a minimum status level
(=development status) for all listed aircraft

Initial Position and Orientation:
--airport=ID Specify starting position relative to an
airport
--runway=rwy_no Specify starting runway (must also specify an
airport)
--carrier=[name|ID] Specify starting position on an AI carrier
--parkpos=name Specify which starting position on an AI
carrier (must also specify a carrier)
--vor=ID Specify starting position relative to a VOR
--ndb=ID Specify starting position relative to an NDB
--fix=ID Specify starting position relative to a fix

Environment Options:
--wind=DIR@SPEED Specify wind coming from DIR (degrees) at SPEED
(knots)
--turbulence=0.0 to 1.0 Specify turbulence from 0.0 (calm) to 1.0
(severe)

--ceiling=FT_ASL[:THICKNESS_FT]
Create an overcast ceiling, optionally with a
specific thickness (defaults to 2000 ft).

For a complete list of options use --help --verbose
Hit a key to continue...