You're using a plugin that requires CommunityLib, and you don't have a valid CommunityLib installed.
2017-03-08 14:48:10,182 [10] DEBUG ThirdPartyLoader - Now loading [CommunityLib].
2017-03-08 14:48:10,183 [10] ERROR ThirdPartyLoader - Cannot load [CommunityLib] because there is no [3rdparty.txt] file.