problems in v3 custom panel auth

i'm having problems when i create new panel and trying to auth, i got Route [login] not defined.

Solution

public function panel(Panel $panel): Panel
{
    return $panel
    ...
    ->login()
    ...
}

public function panel(Panel $panel): Panel
{
    return $panel
    ...
    ->login()
    ...
}

public function panel(Panel $panel): Panel
{
    return $panel
    ...
    ->login()
    ...
}

public function panel(Panel $panel): Panel
{
    return $panel
    ...
    ->login()
    ...
}