Armorgrp и Itemname-e

Unhandled exception



Technical error description:
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Input string was not in a correct format.
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System.FormatException: Input string was not in a correct format.
   at System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal)
   at System.Number.ParseUInt32(String value, NumberStyles options, NumberFormatInfo numfmt)
   at System.Convert.ToUInt32(String value)
   at L2DatEncDec.MainForm.ImpBtn_Click(Object sender, EventArgs e)