No, states 5570 to 5576 are the custom hitfall states I use. You may also want to look for the corresponding statedef -2 coding since the targetstate needs to exist to send them to those custom hitfall states to begin with.
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[State -2, Custom Fall]
type = TargetState
triggerall = NumTarget
trigger1 = target,stateno != [5570,5573]
trigger1 = target,stateno = 5020
value = 5570
ignorehitpause = 1
[State -2, Custom Fall]
type = TargetState
triggerall = NumTarget
trigger1 = target,stateno != [5570,5573]
trigger1 = target,stateno = 5030
value = 5571
ignorehitpause = 1
[State -2, Custom Fall]
type = TargetState
triggerall = NumTarget
trigger1 = target,stateno != [5570,5573]
trigger1 = target,stateno = 5035
value = 5572
ignorehitpause = 1
[State -2, Custom Fall]
type = TargetState
triggerall = NumTarget
trigger1 = target,stateno != [5570,5573]
trigger1 = target,stateno = 5050
value = 5573
ignorehitpause = 1