Chord symbol missing letter

Here’s the input:
Screenshot 2023-07-22 at 5.36.31 PM

And here’s the result:
Screenshot 2023-07-22 at 5.36.24 PM

In the same score (the chords should be the same in both measures):
Screenshot 2023-07-22 at 5.41.04 PM

The root of chord symbols with altered bass notes is automatically hidden when (if my memory is correct) they come after a previous chord symbol with the same root.

You can change this if you always want to show the root in all circumstances in Library > Engraving Options > Chord Symbols.

Edit: Amazing, exactly the same question asked just a few minutes before yours:

WOW! Fast and accurate! Thank you! That was it: