Problem withMain_OnCommandEx

[Alain78]

Hello,
I try to send a command via this very simple LUA script :
reaper.Main_OnCommandEx(25, 0, 0)
ID #25 : Toggle record arm for track O1
No action at all !
The same with 22 for mute
I tested the ID to close the project. It works fine.
Any idea ?
Alain