Yes, under certain circumstances it happens either at 59 or 61. The cause has been elusive however, is normally not the fault of the player.
Missing one attribute point on 60 level
Level 50, but only 49 Attribute points!
Level 61 on official server
Missing attribute point
Lvl = 60, attributes = 59
Bug Description: LVL=60, ATTRIBUTES=59 <-> NPC 200 life npcs shut down the server
Can't spend attribute points
Level to 61 after lvl 15 achieved
Attribute points bug
Went from level 20 to 61