Error while logging in

[INFO] Teodora2[/78.80.38.101:23633] logged in with entity id 77684 at ([world] 286.6173597503515, 63.0, 323.0628684058008)
[INFO] Loading Player: Teodora2
[INFO] Sending serverside check to: Teodora2
[INFO] Teodora2 issued an AuthMe command!
[SEVERE] Exception in thread "pool-1-thread-104"
[SEVERE] org.apache.commons.lang.UnhandledException: Plugin AuthMe v2.7.16 generated an exception while executing task 1974
    at org.bukkit.craftbukkit.v1_5_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:724)
Caused by: java.lang.IllegalArgumentException: Invalid inventory size; expected 36 or less
    at org.bukkit.craftbukkit.v1_5_R3.inventory.CraftInventory.setContents(CraftInventory.java:54)
    at uk.org.whoami.authme.api.API.setPlayerInventory(API.java:171)
    at uk.org.whoami.authme.Management$1.run(Management.java:214)
    at org.bukkit.craftbukkit.v1_5_R3.scheduler.CraftTask.run(CraftTask.java:58)
    at org.bukkit.craftbukkit.v1_5_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
    ... 3 more