MASM error A2108: use of register assumed to ERROR

error A2108: use of register assumed to ERROR

ASSUME FS:NOTHING
mov eax, fs:[0c0h]
ASSUME FS:NOTHING

[Error a2108 use of register assumed to error]( https://oshibkami.ru/error-a2108-use-of-register-assumed-to-error/#:~:text=MASM by default assumes that any access to ,OR%20you%20could%20%C2%ABreassume%C2%BB%20the%20FS%20register%20temporarily.)