Can't display terms from termbase in Drop down list

Hello

With the shortcut CTRL+SHIFT+L

I used to be able to display recognised terms from the termbase for the current segment in a drop-down list and then apply them easily (with up down arrows + ENTER).

This is no longer working, but I don't know what shortcut this is in the list of shortcuts (from file > options) to modify or restore it.

Thanks if you know,

Shortcut described here

Shortcuts in SDL Trados Studio: beyond the basics

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