我的硬件结构大致为：
S7-400：CPU416F-3 PN/DP
IM151-3PN
2个4/8 F-DI DC24V
2个4 F-DO DC24V/2A
20个4DI DC24V ST
14个4DO DC24V/0,5A ST
硬件组态编译时出现错误，内容：
In a PROFINET IO or mixed environment
(PROFINET IO and PROFIBUS DP), the
hardware must support the PROFIsafe bus
profile in V2 mode.
Verify that the employed F I/O on the
PROFINET IO, the employed F CPU and the
employed F Lib (F systems as of V1.3)
support the PROFIsafe bus profile in V2
mode and check whether the fail-safe
parameter 'Compatibility mode' of the F
CPU is disabled.
请问这个是什么意思，如何解决呢？
谢谢各位大侠！