When you have the feature expertise multiple times from the same class, not all expert skills appear under Features & Traits, only the skills selected in the last one.
Ex:
Create a Rogue of 6th level (any race & any ability scores)
Select 4 proficiencies and 4 expertise (2 in the first level feature and 2 in the 6th level one)
Look at Expertise on the sheet in the Features & Traits section, there's only the last two skills listed
When you have the feature expertise multiple times from the same class, not all expert skills appear under Features & Traits, only the skills selected in the last one.
Ex:
This is a known issue with Rogues & Bards, and we look forward to when it can be fixed.
Helpful rewriter of Japanese->English translation and delver into software codebases (she/e/they)