Missing mods?

Hello! I have ran into 2 issues. One being whenever I start up my server, while its being started up, it says this:

"[12:50:11] [Server thread/INFO]: Forge Mod Loader has identified 4 mods to load
[12:50:11] [Server thread/INFO]: Attempting connection with missing mods [mcp, FML, Forge, pixelmon] at CLIENT
[12:50:11] [Server thread/INFO]: Attempting connection with missing mods [mcp, FML, Forge, pixelmon] at SERVER"

and yes, I do have all those mods loaded
It doesn't seem to affect...​