PLEASE HELP ME (ross Line Error)

[BYEOCK5G]

When I join to the track, there are cross-shaped lines in various colors from green to red.
No matter how hard I look, I can't find a solution to this. Help me.

 

[Johnr777]

When I join to the track, there are cross-shaped lines in various colors from green to red.
No matter how hard I look, I can't find a solution to this. Help me.
View attachment 480360

Settings page - particle FX