KeyboardtoXinput trouble with 4 player setup

[ababb]

I recently came across Schwings KeyboardtoXinput which has been brilliant for 2 player games such as SFV but when I try and set it up for 4 pads in the mapping.ini file the program auto shuts down everytime. Any suggestions? Here is what I have and I'm using a Ultimarc Ultimate i/o and BigBox:

[config]
Subtract = enableToggle
Multiply = exit
[pad1]
Up = LUP
Down = LDOWN
Left = LLEFT
Right = LRIGHT
LControlKey = A
LMenu = B
LShiftKey = X
Z = Y
X = RB
Space = LB
F11 = RT
F12 = LT
D1 = START
D5 = BACK

[pad2]
R = LUP
F = LDOWN
D = LLEFT
G = LRIGHT
S = B
Q = A
I = Y
W = X
K = RB
A = LB
F9 = RT
F10 = LT
D2 = START
D6 = BACK

[pad3]
I = LUP
K = LDOWN
J = LLEFT
L = LRIGHT
RControlKey = A
RShiftKey = B
Enter = X
O = Y
F2 = LB
F1 = RB
Multiply = LT
F4 = RT
F3 = START
F2 = BACK

[pad4]
Y = LUP
N = LDOWN
V = LLEFT
U = LRIGHT
E = A
H = B
B = X
M = Y
F5 = LB
F6 = RB
F7 = LT
D0 = RT
D4 = START
D8 = BACK