Bukkit

What steps will reproduce the problem?
1.Erro interno no mobspanw!quando dito o comando /msreload da erro interno!e n funciona ate eu deletar a pasta e atualizar de novo! =(
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What is the expected output? What do you see instead?

What version of the product are you using?
1.5.1 vo7 beta 1

Do you have an error log of what happened?
não tenho nao"sou apenas um adm"

Please provide any additional information below.