PEN,Value,Name,Reference
0,0,Reserved,[RFC6876]
0,1,Malformed Message,[RFC6876]
0,2,Version Not Supported,[RFC6876]
0,3,Type Not Supported,[RFC6876]
0,4,Invalid Message,[RFC6876]
0,5,SASL Mechanism Error,[RFC6876]
0,6,Invalid Parameter,[RFC6876]
0,7-4294967295,Unassigned,