[Fatal Error] - java.util.concurrent.ExecutionException: net.minecraft.server.v1_8_R2.ReportedException: Ticking player

[mibby]

@Norbo11

https://hub.spigotmc.org/jira/browse/SPIGOT-756
http://paste.ubuntu.com/10712155/
Error spammed a few thousand times in the console log.

Apparently UltimateCards 1.3.6 is the cause.