What is happening:
This quest has a marker that can't be undone, since I could find it in the marker fixer person.

What should be happening:
The marker should have disappeared when done

Steps to reproduce the issue:
I was already online, but did the Rehearsal roundup which had left marker, but when to the marker fixer quest characters. Then did that guess came back and on silver tongue is still there

Reproduced by:
Forum name of anyone having reproduced this issue, if any

Screenshots: