Small map cannot be displayed normally after self built map

Age of Empires IV IV - Report a Bug
1

Uploading: InkedQQ图片20220605062233_LI.jpg…

The small map is purple and cannot be displayed normally. Has anyone ever encountered such a bug, and is there any way to repair it

2

Hey @Ashenone3DM!

Unfortunately your upload didn’t seem to take. Could you give it another shot?

3

I have solved it temporarily，Start of mod creation，Use a simple title，Finally finished my work
MOD name：
Canyon relativity