Get this error every time I start my server

Hey

So every time I start my server (This is only the start of my error) I get this error
Couldn't look up profile properties for net.minecraft.util.com.mojang.authlib.GameProfile@4244e1f1[id=f84c6a79-0a4e-45e0-879b-cd49ebd4c4e2,name=,properties={},legacy=false]
net.minecraft.util.com.mojang.authlib.exceptions.AuthenticationException: The client has sent too many requests within a certain amount of time
View the full error here http://pastebin.com/f2iXyy9e
My plugins:
Announcer
Citizens
ColoredSigns
Essentials
(All Essentials plugins including group manager)
Holographic Displays
killstreak
Vault (1.4.1)
World Border
World Edit

Thanks

 

Delete all playerdata. The playerdata you use (the old one) are outdated and cant be read by newer version. I had this problem to just delete all playerdata

 

JordyPwner
you mean the player data file or the player data .dat sorry for sounding like a noob I'm really new server owning

JordyPwner
Still not working I still get the same error in the console

EDIT by Moderator: merged posts, please use the edit button instead of double posting.

 

Also just ignore it ;3 its nothing to worry about

 

@JordayPwner may it have something to do with the fact that I can't colour code my signs?

 

No its cause 1.7.9 has UUID support and some other stuff. Just ignore it. To use color codes on signs go to essentials>config.yml and search for signs till you find enabledsigns. remove the # from the things to want to use

example:

- color
- balance
- buy
- sell
- trade
- free
- disposal
- warp
- kit
- mail
- enchant
- gamemode
- heal
- info
- spawnmob
- repair
- time
- weather