If the core game installation is missing files required to generate terrain, the map load will fail.
"Age of Empires 3" (AoE3) remains a staple for strategy game enthusiasts, both in its legacy Complete Collection format and the newer Definitive Edition (DE). However, few things are as frustrating as setting up a perfect skirmish or multiplayer lobby only to be booted back to the menu by the notorious error. age of empires 3 random map failed to load