over 4 years ago - Avanya - Direct link
Remove these mods:

No More Purple [Muddy Water] - broken, and you don't need it anyways.
No More Purple - broken, and you don't need it anyways.
Bye Bye Birdie
Automatic Bulldoze v2 - get Automatic Bulldoze v3 instead
Employ Overeducated Workers - get Employ Overeducated Workers V2 (1.11+) instead
Advanced Vehicle Options 1.8.2 - get Advanced Vehicle Options AVO (by Tim) instead
Demand Master - get Super Demand instead
Transport Line Rendering Fix - no longer needed
Road Colors Changer ++ - you have Network Skins 2 which is newer
Painter - get Repaint instead

Either remove No Radioactive Desert And More! or Hide It! - the two are not compatible
over 4 years ago - Avanya - Direct link
Originally posted by iris: Thank you for all your help everyone. late reply since ive been busy with uni. Ive made the changes both of you have listed. im still getting the grey map with no resources.

Try verifying game files.

https://support.steampowered.com/kb_article.php?ref=2037-QEUH-3335

If it's still there, can you start a new city (after having restarted the game so it's a fresh load) on a different map to see if it's the same? You don't have to build anything, just have Unlock All enabled so you can see the resource overlay from the start.