xmonad.hs:217:44: error:
    Ambiguous occurrence ‘|||’
    It could refer to
       either ‘XMonad.Layout.LayoutCombinators.|||’,
              imported from ‘XMonad.Layout.LayoutCombinators’ at xmonad.hs:11:41-45
           or ‘XMonad.Layout.|||’,
              imported from ‘XMonad.Layout’ at xmonad.hs:12:1-20
    |
217 | myLayout = avoidStruts (smartBorders tiled ||| smartBorders Full ||| Mirror tiled )
    |                                            ^^^

xmonad.hs:217:66: error:
    Ambiguous occurrence ‘|||’
    It could refer to
       either ‘XMonad.Layout.LayoutCombinators.|||’,
              imported from ‘XMonad.Layout.LayoutCombinators’ at xmonad.hs:11:41-45
           or ‘XMonad.Layout.|||’,
              imported from ‘XMonad.Layout’ at xmonad.hs:12:1-20
    |
217 | myLayout = avoidStruts (smartBorders tiled ||| smartBorders Full ||| Mirror tiled )
    |                                                                  ^^^