fix possible crash
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@ -1118,8 +1118,8 @@ local trade_inventory = {
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-- First-time trade unlock all trades and unlock next trade tier
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if trade.tier + 1 > trader._max_trade_tier then
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trader._max_trade_tier = trader._max_trade_tier + 1
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if trader._max_trade_tier > #professions[trader._profession].trades then
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trader._max_trade_tier = #professions[trader._profession].trades
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if trader._max_trade_tier > 5 then
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trader._max_trade_tier = 5
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end
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set_textures(trader)
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update_max_tradenum(trader)
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