Purple line on the right side of single window

I remember that this is some inconvenience with some settings… was it focused window ?
I do not have this but i have no window focus indicator…
2022-04-28_10-11

# (window-color) class  border  bground text    indicator child_border
client.focused          #7F7FFF $darkbluetrans $white #2E9EF4   #285577
client.focused_inactive #333333 #5F676A $white #484E50   #5F676A
client.unfocused        #333333 #222222 #888888 #292D2E   #222222
client.urgent           $purple $urgentred $white $purple   $lightdblue
# Smart borders (draw borders around container only if it is not the only container on this workspace)
set $smart_borders off

# default window borders
default_border none
default_floating_border 1pixel
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