"No results available" in Term Recognition window even though the entries exist in the termbase and I can see them when I perform a termbase search

Im running SDL Trados Studio 2019 SR2 and SDL Multiterm 2019, both u`pdated to the latest versions

For example in Segment 146 term "Wasserfilter" is not displayed in the term recognition window:

But if I search "Wasserfilter" the termbase search window shows the entry:

How can I solve this problem?