diff --git a/rpcs3/Emu/Cell/lv2/sys_timer.cpp b/rpcs3/Emu/Cell/lv2/sys_timer.cpp
index 8a2419097d..e65fa10432 100644
--- a/rpcs3/Emu/Cell/lv2/sys_timer.cpp
+++ b/rpcs3/Emu/Cell/lv2/sys_timer.cpp
@@ -37,8 +37,8 @@ lv2_timer::lv2_timer(utils::serial& ar)
 	, source(ar)
 	, data1(ar)
 	, data2(ar)
-	, expire(ar.pop<u32>())
-	, period(ar.pop<u32>())
+	, expire(ar.pop<u64>())
+	, period(ar.pop<u64>())
 {
 }
 
diff --git a/rpcs3/Emu/savestate_utils.cpp b/rpcs3/Emu/savestate_utils.cpp
index 7c0cd7390c..ba68dceba2 100644
--- a/rpcs3/Emu/savestate_utils.cpp
+++ b/rpcs3/Emu/savestate_utils.cpp
@@ -606,7 +606,7 @@ namespace stx
 		if ((saved ^ tag) & data_mask)
 		{
 			ensure(!ar.is_writing());
-			fmt::throw_exception("serial_breathe_and_tag(%u): %s\nobject: '%s', next-object: '%s', expected/tag: 0x%x != 0x%x,", s_tls_call_count, ar, s_tls_object_name, name, tag, saved);
+			fmt::throw_exception("serial_breathe_and_tag(%u): %s\nobject: '%s', next-object: '%s', expected/tag: 0x%x != 0x%x\nLatest known RPCS3 build working for savestates: 0.0.41-19455", s_tls_call_count, ar, s_tls_object_name, name, tag, saved);
 		}
 
 		s_tls_object_name = name;