Readme :

Thank you for playing DYOM. Sorry for any errors.

This DYOM requires Radarfix. It's already in the file. Place RADARFIX.cs in the CLEO folder.

And make sure to install the DYOM mod.
https://www.gtagarage.com/mods/show.php?id=5038

Credit : 

RADAR Fix by SIZZZ
https://libertycity.net/files/gta-san-andreas/94884-radar-fix-dyom.html\

DYOM 8.3 Alpha 10 by MiranDMC
https://gtaforums.com/topic/997799-dyom-83-alpha/

Make sure to download DYOM 8.3 A10. Because this mission made in DYOM 8.3 A10