When you do not accept the radiant mission, the log entry remains without giving you any mission markers.
Quest ID: OE_MP_HuntedHomesteaders
1.12.36
English (EN)
No, I cannot recreate this issue.
Go to radiant mission trigger location, get the mission, talk to the NPC, don't accept the mission, leave. Now you're stuck with the mission in your mission log as the game expects you to accept it.