Reset button has been disabled, please press the button during the first 30 seconds after

hi everyone .

i have 60D 5.2.5 i'm trying to debug and it give me the debug but it give me this message also :-

, please press the button during the first 30 seconds after

I was in 5.2.2 and Nothing has changed recently in the FW before this problem

I tried to restart it and get The same message. upgraded to 5.2.3  The same message. 5.2.4  The same message

5.2.5  The same message

Does anyone know what am I missing