The map editor does not support Chinese characters, so if you enter Chinese characters in the trigger, you will get an error, please fix it.

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

The map editor does not support Chinese characters, so if you enter Chinese characters in the trigger, you will get an error, please fix it.

2

I have the same problem and hope the production team can repair it as soon as possible

3

A work around could be using an external string file and loading the new strings ID. Beware of saving the file as ANSI or UTF-8