help Myth Ragnarok Online

[august28th330]

[mith]
ip 23.228.70.102
port 6900
version 21
master_version 1
serverType kRO_RagexeRE_2010_07_14a
serverEncoding Western
charBlockSize 144
addTableFolders kRO/RagexeRE_2010_07_14a;pserver;translated;translated/kRO_english;kRO


i receive error

packet tokenizer unknown switch 0857
packet tokenizer unknown switch 0856

[4epT]

try use:
serverType kRO_RagexeRE_2010_11_24a