error code -23

[Navid]

Hello,

I want to change internal switch mode to interface mode with commands

commands:

config system global

set internal-switch-mode interface

end

after that Y for rebooting but I got an error -23:

interface internal is in use attribute set operator error, -23, discard the setting command fail.

return code -23.

Any help would be appreciated.

Regards,

Navid