Don't try to use MessageLog in Standalone, it only throws error to log

Author: MothDoctor

Source/Flow/Private/Nodes/FlowNodeBase.cpp

@@ -701,7 +701,7 @@ FText UFlowNodeBase::GetNodeToolTip() const
 			return FText::FromString(BlueprintTitle);
 		}
 	}
-	
+
 
 	return GetClass()->GetToolTipText();
 }
@@ -714,20 +714,20 @@ FText UFlowNodeBase::GetNodeConfigText() const
 FText UFlowNodeBase::GetGeneratedDisplayName() const
 {
 	static const FName NAME_GeneratedDisplayName(TEXT("GeneratedDisplayName"));
-	
+
 	if (GetClass()->ClassGeneratedBy)
 	{
 		UClass* Class = Cast<UBlueprint>(GetClass()->ClassGeneratedBy)->GeneratedClass;
 		return Class->GetMetaDataText(NAME_GeneratedDisplayName);
 	}
-	
+
 	return GetClass()->GetMetaDataText(NAME_GeneratedDisplayName);
 }
 
 void UFlowNodeBase::EnsureNodeDisplayStyle()
 {
 	// todo: remove in Flow 2.1
-	
+
 	// Backward compatibility update to convert NodeStyle to NodeDisplayStyle
 	FLOW_ASSERT_ENUM_MAX(EFlowNodeStyle, 7);
 
@@ -832,9 +832,12 @@ void UFlowNodeBase::LogError(FString Message, const EFlowOnScreenMessageType OnS
 		// Output Log
 		UE_LOG(LogFlow, Error, TEXT("%s"), *Message);
 
-		// Message Log
 #if WITH_EDITOR
-		GetFlowAsset()->GetTemplateAsset()->LogError(Message, this);
+		if (GEditor)
+		{
+			// Message Log
+			GetFlowAsset()->GetTemplateAsset()->LogError(Message, this);
+		}
 #endif
 	}
 #endif
@@ -848,9 +851,12 @@ void UFlowNodeBase::LogWarning(FString Message) const
 		// Output Log
 		UE_LOG(LogFlow, Warning, TEXT("%s"), *Message);
 
-		// Message Log
 #if WITH_EDITOR
-		GetFlowAsset()->GetTemplateAsset()->LogWarning(Message, this);
+		if (GEditor)
+		{
+			// Message Log
+			GetFlowAsset()->GetTemplateAsset()->LogWarning(Message, this);
+		}
 #endif
 	}
 #endif
@@ -864,9 +870,12 @@ void UFlowNodeBase::LogNote(FString Message) const
 		// Output Log
 		UE_LOG(LogFlow, Log, TEXT("%s"), *Message);
 
-		// Message Log
 #if WITH_EDITOR
-		GetFlowAsset()->GetTemplateAsset()->LogNote(Message, this);
+		if (GEditor)
+		{
+			// Message Log
+			GetFlowAsset()->GetTemplateAsset()->LogNote(Message, this);
+		}
 #endif
 	}
 #endif

Source/Flow/Public/FlowMessageLog.h

@@ -81,7 +81,7 @@ class FLOW_API FFlowMessageLog
 
 protected:
 	template <typename T>
-	void AddMessage(FName MessageID, const TCHAR* Format, TSharedRef<FTokenizedMessage>& Message, T* Object)
+	void AddMessage(const FName MessageID, const TCHAR* Format, TSharedRef<FTokenizedMessage>& Message, T* Object)
 	{
 		Message->SetIdentifier(MessageID);
 

Source/Flow/Public/Nodes/FlowNodeBase.h

@@ -272,7 +272,7 @@ class FLOW_API UFlowNodeBase
 
 	UPROPERTY()
 	TObjectPtr<UEdGraphNode> GraphNode;
-	
+
 #if WITH_EDITORONLY_DATA
 protected:
 	UPROPERTY(EditDefaultsOnly, Category = "FlowNode")