diff --git a/rpcs3/Emu/Cell/Modules/sceNpCommerce2.cpp b/rpcs3/Emu/Cell/Modules/sceNpCommerce2.cpp
index ab791ca704..fc74bd59ef 100644
--- a/rpcs3/Emu/Cell/Modules/sceNpCommerce2.cpp
+++ b/rpcs3/Emu/Cell/Modules/sceNpCommerce2.cpp
@@ -214,7 +214,9 @@ error_code sceNpCommerce2InitGetCategoryContentsResult(vm::ptr<SceNpCommerce2Get
 error_code sceNpCommerce2GetCategoryInfo(vm::cptr<SceNpCommerce2GetCategoryContentsResult> result, vm::ptr<SceNpCommerce2CategoryInfo> categoryInfo)
 {
 	sceNpCommerce2.todo("sceNpCommerce2GetCategoryInfo(result=*0x%x, categoryInfo=*0x%x)", result, categoryInfo);
-	return CELL_OK;
+
+	// Hack to stop crashes in some games
+	return SCE_NP_COMMERCE2_ERROR_SERVER_MAINTENANCE;
 }
 
 error_code sceNpCommerce2GetContentInfo(vm::cptr<SceNpCommerce2GetCategoryContentsResult> result, u32 index, vm::ptr<SceNpCommerce2ContentInfo> contentInfo)
diff --git a/rpcs3/Emu/NP/fb_helpers.cpp b/rpcs3/Emu/NP/fb_helpers.cpp
index 823fadef2d..1b1d705947 100644
--- a/rpcs3/Emu/NP/fb_helpers.cpp
+++ b/rpcs3/Emu/NP/fb_helpers.cpp
@@ -1,5 +1,6 @@
 #include "stdafx.h"
 #include "np_handler.h"
+#include "Emu/Cell/lv2/sys_process.h"
 
 LOG_CHANNEL(rpcn_log, "rpcn");
 
@@ -87,16 +88,31 @@ namespace np
 	{
 		room_info->serverId           = room->serverId();
 		room_info->worldId            = room->worldId();
-		room_info->publicSlotNum      = room->publicSlotNum();
-		room_info->privateSlotNum     = room->privateSlotNum();
 		room_info->lobbyId            = room->lobbyId();
 		room_info->roomId             = room->roomId();
-		room_info->openPublicSlotNum  = room->openPublicSlotNum();
 		room_info->maxSlot            = room->maxSlot();
-		room_info->openPrivateSlotNum = room->openPrivateSlotNum();
 		room_info->curMemberNum       = room->curMemberNum();
 		room_info->passwordSlotMask   = room->passwordSlotMask();
 
+		s32 sdk_ver;
+		process_get_sdk_version(process_getpid(), sdk_ver);
+
+		// Structure changed in sdk 3.3.0
+		if (sdk_ver >= 0x330000)
+		{
+			room_info->publicSlotNum = room->publicSlotNum();
+			room_info->privateSlotNum = room->privateSlotNum();
+			room_info->openPublicSlotNum = room->openPublicSlotNum();
+			room_info->openPrivateSlotNum = room->openPrivateSlotNum();
+		}
+		else
+		{
+			room_info->publicSlotNum = 0;
+			room_info->privateSlotNum = 0;
+			room_info->openPublicSlotNum = 0;
+			room_info->openPrivateSlotNum = 0;
+		}
+
 		if (auto owner = room->owner())
 		{
 			auto* ptr_owner = edata.allocate<SceNpUserInfo2>(sizeof(SceNpUserInfo2), room_info->owner);
diff --git a/rpcs3/Emu/NP/np_cache.cpp b/rpcs3/Emu/NP/np_cache.cpp
index efe36621bf..6b53cbd502 100644
--- a/rpcs3/Emu/NP/np_cache.cpp
+++ b/rpcs3/Emu/NP/np_cache.cpp
@@ -11,7 +11,7 @@ namespace np
 {
 	memberbin_cache::memberbin_cache(const SceNpMatching2RoomMemberBinAttrInternal* sce_memberbin)
 	{
-		ensure(sce_memberbin && (sce_memberbin->data.ptr.get_ptr() || !sce_memberbin->data.size));
+		ensure(sce_memberbin && (sce_memberbin->data.ptr || !sce_memberbin->data.size));
 
 		id = sce_memberbin->data.id;
 		updateDate.tick = sce_memberbin->updateDate.tick;
diff --git a/rpcs3/Emu/NP/np_handler.cpp b/rpcs3/Emu/NP/np_handler.cpp
index e4476d013e..8b22215ff0 100644
--- a/rpcs3/Emu/NP/np_handler.cpp
+++ b/rpcs3/Emu/NP/np_handler.cpp
@@ -852,6 +852,8 @@ namespace np
 			queue_basic_event(to_add);
 			send_basic_event(to_add.event, 0, 0);
 		}
+
+		send_basic_event(SCE_NP_BASIC_EVENT_END_OF_INITIAL_PRESENCE, 0, 0);
 	}
 
 	SceNpCommunicationId np_handler::get_basic_handler_context()
diff --git a/rpcs3/Emu/NP/rpcn_client.cpp b/rpcs3/Emu/NP/rpcn_client.cpp
index 5d56b47e15..f2efccd2fa 100644
--- a/rpcs3/Emu/NP/rpcn_client.cpp
+++ b/rpcs3/Emu/NP/rpcn_client.cpp
@@ -79,6 +79,11 @@ namespace rpcn
 		return get_localized_string(rpcn_state_to_localized_string_id(state));
 	}
 
+	void friend_online_data::dump() const
+	{
+		rpcn_log.notice("online: %s, pr_com_id: %s, pr_title: %s, pr_status: %s, pr_comment: %s, pr_data: %s", online ? "true" : "false", pr_com_id.data, pr_title, pr_status, pr_comment, fmt::buf_to_hexstring(pr_data.data(), pr_data.size()));
+	}
+
 	constexpr u32 RPCN_PROTOCOL_VERSION = 21;
 	constexpr usz RPCN_HEADER_SIZE      = 15;
 
diff --git a/rpcs3/Emu/NP/rpcn_client.h b/rpcs3/Emu/NP/rpcn_client.h
index f2fc89f9bc..c75e827f8a 100644
--- a/rpcs3/Emu/NP/rpcn_client.h
+++ b/rpcs3/Emu/NP/rpcn_client.h
@@ -309,6 +309,8 @@ namespace rpcn
 		friend_online_data(bool online, u64 timestamp)
 			: online(online), timestamp(timestamp) {}
 
+		void dump() const;
+
 		bool online = false;
 		u64 timestamp = 0;
 		SceNpCommunicationId pr_com_id{};