Index: ps/trunk/binaries/data/mods/public/gui/common/functions_utility.js
===================================================================
--- ps/trunk/binaries/data/mods/public/gui/common/functions_utility.js
+++ ps/trunk/binaries/data/mods/public/gui/common/functions_utility.js
@@ -87,7 +87,13 @@
 
 function stringifiedTeamListToPlayerData(stringifiedTeamList)
 {
-	let teamList = JSON.parse(unescapeText(stringifiedTeamList));
+	let teamList = {};
+	try
+	{
+		teamList = JSON.parse(unescapeText(stringifiedTeamList));
+	}
+	catch (e) {}
+
 	let playerData = [];
 
 	for (let team in teamList)
@@ -171,12 +177,13 @@
 	g_ChatMessages.length = 0;
 	Engine.GetGUIObjectByName("chatText").caption = "";
 
-	try {
+	try
+	{
 		for (let timer of g_ChatTimers)
 			clearTimeout(timer);
 		g_ChatTimers.length = 0;
-	} catch (e) {
 	}
+	catch (e) {}
 }
 
 /**
Index: ps/trunk/binaries/data/mods/public/gui/lobby/lobby.js
===================================================================
--- ps/trunk/binaries/data/mods/public/gui/lobby/lobby.js
+++ ps/trunk/binaries/data/mods/public/gui/lobby/lobby.js
@@ -1017,7 +1017,16 @@
 				Math.round(playerRatings.reduce((sum, current) => sum + current) / playerRatings.length) :
 				g_DefaultLobbyRating;
 
-		if (!hasSameMods(JSON.parse(game.mods), Engine.GetEngineInfo().mods))
+		try
+		{
+			game.mods = JSON.parse(game.mods);
+		}
+		catch (e)
+		{
+			game.mods = [];
+		}
+
+		if (!hasSameMods(game.mods, Engine.GetEngineInfo().mods))
 			game.state = "incompatible";
 
 		return game;
@@ -1178,7 +1187,7 @@
 		messageBox(
 			400, 200,
 			translate("Your active mods do not match the mods of this game.") + "\n\n" +
-				comparedModsString(JSON.parse(game.mods), Engine.GetEngineInfo().mods) + "\n\n" +
+				comparedModsString(game.mods, Engine.GetEngineInfo().mods) + "\n\n" +
 				translate("Do you want to switch to the mod selection page?"),
 			translate("Incompatible mods"),
 			[translate("No"), translate("Yes")],