Problem About Arena

hello RZ brother's
i have a problem player's Register in arena and says Failed to enter arena
and my online players are Register +30

Quote:

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USE SRO_VT_SHARD
UPDATE _RefGame_World_Config set Service = 1 where GroupCodeName128 like '%ARENA%' AND GroupCodeName128 NOT like 'GROUP_ARENA_GNGWC'

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use this query and change db name if not SRO_VT_SHARD