Gantt column labels not showing correctly.

[AMBRNA]

I'm trying to create a Gantt chart of my project portfolio but the Gantt column labels are not showing correctly. They only show "Q" in the Yearly view, and nothing in the monthly view. Is there a setting somewhere I'm missing? 

[AMBRNA]

Sorry, I missed another post with a similar question. Seems like it's a known issue: Gantt Chart View - Month names missing - Adobe Experience League Community - 710297