i found this information "then read and use to remove error this topic: http://yoko.netroof.net/forum/viewtopic.php?t=74
Remember that you need use Variant 1 to patch file, Variant 2 is only last method you must try.
This error surely appeared if you used YA MUU (for multi UO instances) and/or UO Rice (to remove encryption)." But links are broken ,so please if someone can help
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