How to play or create coop missions?

[phoenix1963]

My squad (56RAF) has the same problem. Either we're missing some subtlety of the settings, or there's a bug.

Here's a really simple .mis where the host can join at Lympne, but nobody else can.
[code]


[PARTS]
core.100
bob.100
[MAIN]
MAP Land$English_Channel_1940
BattleArea 150000 140000 150000 150000 10000
TIME 5
Army 0 nn du
Army 1 ru fr us pl rz gb
Army 2 de it ja fi hu ro sk
WeatherIndex 2
CloudsHeight 1500
BreezeActivity 10
ThermalActivity 10
[GlobalWind_0]
Power 3.759 -1.368 0.000
BottomBound 0.00
TopBound 10000.00
GustPower 5
GustAngle 44
[splines]
[AirGroups]
BoB_RAF_F_56Sqn_Early.01
[BoB_RAF_F_56Sqn_Early.01]
Flight0 1 2 3
Class Aircraft.HurricaneMkI
Formation VIC3
CallSign 26
Fuel 100
Weapons 1
Belt _Gun03 Gun.Browning303MkII MainBelt 11 11 10
Belt _Gun06 Gun.Browning303MkII MainBelt 9
Belt _Gun00 Gun.Browning303MkII MainBelt 10 11 11 11 10
Belt _Gun01 Gun.Browning303MkII MainBelt 9
Belt _Gun07 Gun.Browning303MkII MainBelt 10 11 11 11 10
Belt _Gun05 Gun.Browning303MkII MainBelt 9
Belt _Gun04 Gun.Browning303MkII MainBelt 11 11 10
Scramble 1
Idle 1
Skill 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
[BoB_RAF_F_56Sqn_Early.01_Way]
TAKEOFF 225218.50 228300.45 0 0
[CustomChiefs]
[Stationary]
[Buildings]
[BuildingsLinks]
[FrontMarker]
FrontMarker0 313830.24 279374.91 1
FrontMarker1 298831.47 268493.45 1
FrontMarker2 280891.76 254965.15 1
FrontMarker3 265451.86 238348.87 1
FrontMarker4 252658.79 225114.66 1
FrontMarker5 239424.58 212321.59 1
FrontMarker6 230160.64 195411.21 1
FrontMarker7 222661.25 173060.11 1
FrontMarker8 222514.21 172766.02 1
FrontMarker9 217220.52 164237.30 1
FrontMarker10 315300.70 277610.35 2
FrontMarker11 301478.31 267758.21 2
FrontMarker12 287067.73 253788.77 2
FrontMarker13 272068.96 237760.68 2
FrontMarker14 260599.31 223203.05 2
FrontMarker15 243835.98 202469.46 2
FrontMarker16 236336.60 183500.43 2
FrontMarker17 230601.78 167619.38 2


[\code]

Anyone else able to setup and run their own coops?

56RAF_phoenix

EDIT: for some reason I can't get the [code] formatter to work!