Starting with the release of Strategy ONE (March 2024), dossiers are also known as dashboards.
The browser is set with the German Locale


This was a defect in Strategy 2021 Update 8 (also found in update 7) which seems to affect the months of January and December exclusively and additionally this only affects the German language when set at browser level. This was addressed and worked on for Strategy 2021 Update 9.
To take advantage of this fix, please update to Strategy 2021 Update 9 or later.