diff --git a/lang/English.ini b/lang/English.ini
index 6d1a5b38f..f80200764 100644
--- a/lang/English.ini
+++ b/lang/English.ini
@@ -22,6 +22,7 @@ IMPORT_FAIL = "\\#ffa0a0\\Failed to import\n\\#dcdcdc\\'@'"
 IMPORT_FAIL_INGAME = "\\#ffa0a0\\Can not import while in-game"
 COOPNET_CONNECTION_FAILED = "\\#ffa0a0\\Could not connect to CoopNet!"
 COOPNET_DISCONNECTED = "\\#ffa0a0\\Lost connection to CoopNet!"
+LOBBY_CREATION_FAILED = "\\#ffa0a0\\Error:\\#dcdcdc\\ Lobby creation failed!"
 LOBBY_NOT_FOUND = "\\#ffa0a0\\Error:\\#dcdcdc\\ Lobby no longer exists!"
 LOBBY_JOIN_FAILED = "\\#ffa0a0\\Failed to join the lobby!"
 LOBBY_PASSWORD_INCORRECT = "\\#ffa0a0\\Entered the wrong lobby password!"
diff --git a/lib/coopnet/include/libcoopnet.h b/lib/coopnet/include/libcoopnet.h
index be3260ebf..e7e707d63 100644
--- a/lib/coopnet/include/libcoopnet.h
+++ b/lib/coopnet/include/libcoopnet.h
@@ -27,6 +27,7 @@ typedef enum {
 
 enum MPacketErrorNumber {
     MERR_NONE,
+    MERR_LOBBY_CREATION_FAILED,
     MERR_LOBBY_NOT_FOUND,
     MERR_LOBBY_JOIN_FULL,
     MERR_LOBBY_JOIN_FAILED,
diff --git a/lib/coopnet/linux/libcoopnet.a b/lib/coopnet/linux/libcoopnet.a
index ee61cb662..d9babc168 100644
Binary files a/lib/coopnet/linux/libcoopnet.a and b/lib/coopnet/linux/libcoopnet.a differ
diff --git a/lib/coopnet/mac_arm/libcoopnet.dylib b/lib/coopnet/mac_arm/libcoopnet.dylib
index be81989f5..848909a86 100755
Binary files a/lib/coopnet/mac_arm/libcoopnet.dylib and b/lib/coopnet/mac_arm/libcoopnet.dylib differ
diff --git a/lib/coopnet/mac_intel/libcoopnet.dylib b/lib/coopnet/mac_intel/libcoopnet.dylib
index 07e7d301e..74403bfec 100755
Binary files a/lib/coopnet/mac_intel/libcoopnet.dylib and b/lib/coopnet/mac_intel/libcoopnet.dylib differ
diff --git a/lib/coopnet/win64/libcoopnet.a b/lib/coopnet/win64/libcoopnet.a
index 3e6b38939..7e329765f 100644
Binary files a/lib/coopnet/win64/libcoopnet.a and b/lib/coopnet/win64/libcoopnet.a differ
diff --git a/src/pc/network/coopnet/coopnet.c b/src/pc/network/coopnet/coopnet.c
index eaf8ba34f..9d0a84f4b 100644
--- a/src/pc/network/coopnet/coopnet.c
+++ b/src/pc/network/coopnet/coopnet.c
@@ -121,6 +121,10 @@ static void coopnet_on_error(enum MPacketErrorNumber error, uint64_t tag) {
                 djui_popup_create(built, 2);
             }
             break;
+        case MERR_LOBBY_CREATION_FAILED:
+            djui_popup_create(DLANG(NOTIF, LOBBY_CREATION_FAILED), 2);
+            network_shutdown(false, false, false, false);
+            break;
         case MERR_LOBBY_NOT_FOUND:
             djui_popup_create(DLANG(NOTIF, LOBBY_NOT_FOUND), 2);
             network_shutdown(false, false, false, false);