Fireworks achievement without even owning expansion

Age of Empires II: DE II - Report a Bug
1

:play_button: GAME INFORMATION

:backhand_index_pointing_down: These details are CRITICAL; DO NOT skip them or your issue may not be reviewed.

  • GAME BUILD #: 18209429
  • GAME PLATFORM: Steam
  • OPERATING SYSTEM: Windows 11

:play_button: ISSUE EXPERIENCED

:backhand_index_pointing_down: DESCRIBE THE ISSUE IN DETAIL (below). LIMIT TO ONE BUG PER THREAD.

I got the achievement for firing 100 rocket cart projectiles, even though I haven’t bought the Three Kingdoms DLC, nor have I ever built a rocket cart