diff --git a/ArchiSteamFarm.OfficialPlugins.ItemsMatcher/RemoteCommunication.cs b/ArchiSteamFarm.OfficialPlugins.ItemsMatcher/RemoteCommunication.cs
index 91840048d..5351ba560 100644
--- a/ArchiSteamFarm.OfficialPlugins.ItemsMatcher/RemoteCommunication.cs
+++ b/ArchiSteamFarm.OfficialPlugins.ItemsMatcher/RemoteCommunication.cs
@@ -233,6 +233,7 @@ internal sealed class RemoteCommunication : IAsyncDisposable, IDisposable {
 			HashSet<EAssetType> acceptedMatchableTypes = Bot.BotConfig.MatchableTypes.Where(AcceptedMatchableTypes.Contains).ToHashSet();
 
 			if (acceptedMatchableTypes.Count == 0) {
+				// Should never happen, since IsEligibleForListing() check above ensured we have at least one matchable type
 				throw new InvalidOperationException(nameof(acceptedMatchableTypes));
 			}
 
@@ -905,9 +906,8 @@ internal sealed class RemoteCommunication : IAsyncDisposable, IDisposable {
 		HashSet<EAssetType> acceptedMatchableTypes = Bot.BotConfig.MatchableTypes.Where(AcceptedMatchableTypes.Contains).ToHashSet();
 
 		if (acceptedMatchableTypes.Count == 0) {
-			Bot.ArchiLogger.LogNullError(acceptedMatchableTypes);
-
-			return;
+			// Should never happen, since IsEligibleForMatching() check above ensured we have at least one matchable type
+			throw new InvalidOperationException(nameof(acceptedMatchableTypes));
 		}
 
 		if (!await MatchActivelySemaphore.WaitAsync(0).ConfigureAwait(false)) {
diff --git a/ArchiSteamFarm/Steam/Exchange/Trading.cs b/ArchiSteamFarm/Steam/Exchange/Trading.cs
index 5321a8111..d14cb68b8 100644
--- a/ArchiSteamFarm/Steam/Exchange/Trading.cs
+++ b/ArchiSteamFarm/Steam/Exchange/Trading.cs
@@ -503,7 +503,7 @@ public sealed class Trading : IDisposable {
 		}
 
 		// Decline trade if we're requested to handle any not-accepted item type or if it's not fair games/types exchange
-		if (!tradeOffer.IsValidSteamItemsRequest(Bot.BotConfig.MatchableTypes) || !IsFairExchange(tradeOffer.ItemsToGive, tradeOffer.ItemsToReceive)) {
+		if (Bot.BotConfig.MatchableTypes.IsEmpty || !tradeOffer.IsValidSteamItemsRequest(Bot.BotConfig.MatchableTypes) || !IsFairExchange(tradeOffer.ItemsToGive, tradeOffer.ItemsToReceive)) {
 			Bot.ArchiLogger.LogGenericDebug(Strings.FormatBotTradeOfferResult(tradeOffer.TradeOfferID, ParseTradeResult.EResult.Rejected, $"{nameof(tradeOffer.IsValidSteamItemsRequest)} || {nameof(IsFairExchange)}"));
 
 			return ParseTradeResult.EResult.Rejected;