unity4遇到这样的报错怎么也找不到怎么办呀

报错：Assertion failed: Assertion failed on expression: 'm_CurrentEntriesPtr ！=NULL&&m_IsGettingEntries'
UnityEngine.GUIUtility:ProcessEvent(Int32,IntPtr)

unity的小bug而已，没事的，不影响，往往重启unity就消失了，有时候这报错会突然蹦出来。