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    java.lang.NullPointerException
        at org.bitbucket.ucchy.undine.command.UndineAttachCommand.checkForCostMoney(UndineAttachCommand.java:380)
        at org.bitbucket.ucchy.undine.command.UndineAttachCommand.runCommandForSentMail(UndineAttachCommand.java:352)
        at org.bitbucket.ucchy.undine.command.UndineAttachCommand.runCommand(UndineAttachCommand.java:199)
        at org.bitbucket.ucchy.undine.command.UndineCommand.onCommand(UndineCommand.java:90)
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