Well, I was having the same problem as Thistle. I did that... Came up with an error.
[DFHack]# force
Invalid argument. Valid arguments are caravan, migrants, diplomat, megabeast, cu
riousbeast, mischievousbeast, flier, siege and nightcreature.
[DFHack]# force siege evil
Caravan, diplomat and siege require a civ unit to be highlighted.
[DFHack]# force event evil
Invalid argument. Valid arguments are caravan, migrants, diplomat, megabeast, cu
riousbeast, mischievousbeast, flier, siege and nightcreature.
[DFHack]# force event siege
Invalid argument. Valid arguments are caravan, migrants, diplomat, megabeast, cu
riousbeast, mischievousbeast, flier, siege and nightcreature.
[DFHack]# force event siege evil
Invalid argument. Valid arguments are caravan, migrants, diplomat, megabeast, cu
riousbeast, mischievousbeast, flier, siege and nightcreature.
[DFHack]# force migrants player
...Magma 2.01 - In Utter Darkness II\hack\scripts/force.lua:59: Cannot read fiel
d global.cur_season: not found.
stack traceback:
[C]: in function '__index'
...Magma 2.01 - In Utter Darkness II\hack\scripts/force.lua:59: in funct
ion 'force_migrants'
...Magma 2.01 - In Utter Darkness II\hack\scripts/force.lua:93: in main
chunk
(...tail calls...)
[DFHack]# force migrants player
...Magma 2.01 - In Utter Darkness II\hack\scripts/force.lua:59: Cannot read fiel
d global.cur_season: not found.
stack traceback:
[C]: in function '__index'
...Magma 2.01 - In Utter Darkness II\hack\scripts/force.lua:59: in funct
ion 'force_migrants'
...Magma 2.01 - In Utter Darkness II\hack\scripts/force.lua:93: in main
chunk
(...tail calls...)
[DFHack]# force migrants evil
Caravan, diplomat and siege require a civ unit to be highlighted.
[DFHack]# force siege player
...Magma 2.01 - In Utter Darkness II\hack\scripts/force.lua:83: Cannot read fiel
d global.cur_season: not found.
stack traceback:
[C]: in function '__index'
...Magma 2.01 - In Utter Darkness II\hack\scripts/force.lua:83: in funct
ion 'force_siege'
...Magma 2.01 - In Utter Darkness II\hack\scripts/force.lua:94: in main
chunk
(...tail calls...)
[DFHack]#