Forge 1.12 not detecting mods

[Xyz5]

Hello! I have decided to make a 1.12.2 pixelmon aternos server with my friend. The server has worked perfectly well and my friend has successfully installed the mod, however i have failed. Here are the steps of what i have done;
1. Install Forge 1.12.2
2.Create a Mods Folder
3.Install Pixelmon 1.12.2
4.Put Pixelmon in the mods folder

Now i launched forge MULTIPLE times but Forge doesnt detect it. I have done research and i still havent found any answers please help.

(I use macOS)