diff --git a/src/ai/ai_instance.cpp b/src/ai/ai_instance.cpp
--- a/src/ai/ai_instance.cpp
+++ b/src/ai/ai_instance.cpp
@@ -64,6 +64,9 @@ void AIInstance::Died()
 	/* Intro is not supposed to use AI, but it may have 'dummy' AI which instant dies. */
 	if (_game_mode == GM_MENU) return;
 
+	/* Don't show errors while loading savegame. They will be shown at end of loading anyway. */
+	if (_switch_mode != SM_NONE) return;
+
 	ShowScriptDebugWindow(_current_company);
 
 	const AIInfo *info = AIConfig::GetConfig(_current_company)->GetInfo();