diff --git a/engine/includes/adapters/handlers/defaultfilehandler.h b/engine/includes/adapters/handlers/defaultfilehandler.h
index 33451039e..51944b0a2 100644
--- a/engine/includes/adapters/handlers/defaultfilehandler.h
+++ b/engine/includes/adapters/handlers/defaultfilehandler.h
@@ -19,12 +19,8 @@ class DefaultFileHandler : public FileHandler {
 
 protected:
     void listFilesRecursive(StringList &list, const std::filesystem::path &path) {
-        try {
-            for(const auto &entry : std::filesystem::recursive_directory_iterator(path)) {
-                list.push_back(TString(entry.path().string()).replace('\\', '/'));
-            }
-        } catch (const std::filesystem::filesystem_error &ex) {
-            aError() << "Error:" << ex.what();
+        for(const auto &entry : std::filesystem::recursive_directory_iterator(path)) {
+            list.push_back(TString(entry.path().string()).replace('\\', '/'));
         }
     }
 
diff --git a/engine/includes/editor/assetmanager.h b/engine/includes/editor/assetmanager.h
index 3b5e077d0..a334e2927 100644
--- a/engine/includes/editor/assetmanager.h
+++ b/engine/includes/editor/assetmanager.h
@@ -122,6 +122,8 @@ protected slots:
 
     QTimer *m_timer;
 
+    bool m_force;
+
 protected:
     void dumpBundle();
 
diff --git a/engine/src/editor/assetmanager.cpp b/engine/src/editor/assetmanager.cpp
index 1c98d0f4b..dcbef7230 100644
--- a/engine/src/editor/assetmanager.cpp
+++ b/engine/src/editor/assetmanager.cpp
@@ -47,7 +47,8 @@ AssetManager::AssetManager() :
         m_assetProvider(new BaseAssetProvider),
         m_indices(Engine::resourceSystem()->indices()),
         m_projectManager(ProjectSettings::instance()),
-        m_timer(new QTimer(this)) {
+        m_timer(new QTimer(this)),
+        m_force(false) {
 
     connect(m_timer, SIGNAL(timeout()), this, SLOT(onPerform()));
 }
@@ -118,30 +119,30 @@ void AssetManager::checkImportSettings(AssetConverterSettings *settings) {
 }
 
 void AssetManager::rescan() {
-    bool force = false;
+    m_force = false;
 
     TString target = m_projectManager->targetPath();
     if(target.isEmpty()) {
-        force |= !Engine::reloadBundle();
-        force |= m_projectManager->projectSdk() != SDK_VERSION;
+        m_force |= !Engine::reloadBundle();
+        m_force |= m_projectManager->projectSdk() != SDK_VERSION;
 
         m_assetProvider->init();
     } else {
-        force = true;
+        m_force = true;
     }
 
-    m_assetProvider->onDirectoryChangedForce((m_projectManager->resourcePath() + "/engine/materials").data(),force);
-    m_assetProvider->onDirectoryChangedForce((m_projectManager->resourcePath() + "/engine/textures").data(), force);
-    m_assetProvider->onDirectoryChangedForce((m_projectManager->resourcePath() + "/engine/meshes").data(),   force);
-    m_assetProvider->onDirectoryChangedForce((m_projectManager->resourcePath() + "/engine/pipelines").data(),force);
-    m_assetProvider->onDirectoryChangedForce((m_projectManager->resourcePath() + "/engine/fonts").data(),    force);
+    m_assetProvider->onDirectoryChangedForce((m_projectManager->resourcePath() + "/engine/materials").data(),m_force);
+    m_assetProvider->onDirectoryChangedForce((m_projectManager->resourcePath() + "/engine/textures").data(), m_force);
+    m_assetProvider->onDirectoryChangedForce((m_projectManager->resourcePath() + "/engine/meshes").data(),   m_force);
+    m_assetProvider->onDirectoryChangedForce((m_projectManager->resourcePath() + "/engine/pipelines").data(),m_force);
+    m_assetProvider->onDirectoryChangedForce((m_projectManager->resourcePath() + "/engine/fonts").data(),    m_force);
 #ifndef BUILDER
-    m_assetProvider->onDirectoryChangedForce((m_projectManager->resourcePath() + "/editor/materials").data(),force);
-    m_assetProvider->onDirectoryChangedForce((m_projectManager->resourcePath() + "/editor/gizmos").data(),   force);
-    m_assetProvider->onDirectoryChangedForce((m_projectManager->resourcePath() + "/editor/meshes").data(),   force);
-    m_assetProvider->onDirectoryChangedForce((m_projectManager->resourcePath() + "/editor/textures").data(), force);
+    m_assetProvider->onDirectoryChangedForce((m_projectManager->resourcePath() + "/editor/materials").data(),m_force);
+    m_assetProvider->onDirectoryChangedForce((m_projectManager->resourcePath() + "/editor/gizmos").data(),   m_force);
+    m_assetProvider->onDirectoryChangedForce((m_projectManager->resourcePath() + "/editor/meshes").data(),   m_force);
+    m_assetProvider->onDirectoryChangedForce((m_projectManager->resourcePath() + "/editor/textures").data(), m_force);
 #endif
-    m_assetProvider->onDirectoryChangedForce(m_projectManager->contentPath().data(), force);
+    m_assetProvider->onDirectoryChangedForce(m_projectManager->contentPath().data(), m_force);
 
     emit directoryChanged(m_projectManager->contentPath().data());
 
@@ -492,6 +493,7 @@ void AssetManager::onPerform() {
                     result = true;
 
                     if(!it->buildProject()) {
+                        m_force = false;
                         m_timer->stop();
                         emit importFinished();
                     }
@@ -521,6 +523,7 @@ void AssetManager::onPerform() {
             return;
         }
 
+        m_force = false;
         m_timer->stop();
         emit importFinished();
     }
diff --git a/engine/src/systems/resourcesystem.cpp b/engine/src/systems/resourcesystem.cpp
index 867eb0e74..a4ba20a8f 100644
--- a/engine/src/systems/resourcesystem.cpp
+++ b/engine/src/systems/resourcesystem.cpp
@@ -101,7 +101,7 @@ void ResourceSystem::setResource(Resource *object, const TString &uuid) {
 Resource *ResourceSystem::loadResource(const TString &path) {
     PROFILE_FUNCTION();
 
-    if(!path.isEmpty()) {
+    if(!path.isEmpty() && !m_indexMap.empty()) {
         TString uuid = path;
 
         Resource *object = resource(uuid);
@@ -131,7 +131,7 @@ Resource *ResourceSystem::loadResource(const TString &path) {
 }
 
 Resource *ResourceSystem::loadResourceAsync(const TString &path) {
-    if(!path.isEmpty()) {
+    if(!path.isEmpty() && !m_indexMap.empty()) {
         ResourceInfo info;
 
         auto indexIt = m_indexMap.find(path);
diff --git a/modules/editor/particletools/converter/effectbuilder.cpp b/modules/editor/particletools/converter/effectbuilder.cpp
index c54b6c945..c4f754535 100644
--- a/modules/editor/particletools/converter/effectbuilder.cpp
+++ b/modules/editor/particletools/converter/effectbuilder.cpp
@@ -79,20 +79,20 @@ AssetConverter::ReturnCode EffectBuilder::convertFile(AssetConverterSettings *se
 
     Variant variant = m_graph.object();
 
-    uint32_t uuid = 0;
+    if(settings->info().id == 0) {
+        settings->info().id = Engine::generateUUID();
+    }
     VariantList objects = variant.value<VariantList>();
     for(auto &it : objects) {
         VariantList o  = it.value<VariantList>();
         if(o.size() >= 5) {
             auto i = o.begin();
             i++;
-            uuid = static_cast<uint32_t>((*i).toInt());
+            *i = settings->info().id;
             break;
         }
     }
 
-    settings->info().id = uuid;
-
     return settings->saveBinary(variant, settings->absoluteDestination());
 }
 
diff --git a/modules/editor/particletools/converter/effectgraph.cpp b/modules/editor/particletools/converter/effectgraph.cpp
index 481fc4884..fd84e648c 100644
--- a/modules/editor/particletools/converter/effectgraph.cpp
+++ b/modules/editor/particletools/converter/effectgraph.cpp
@@ -171,7 +171,7 @@ Variant EffectGraph::object() const {
     VariantList object;
 
     object.push_back(VisualEffect::metaClass()->name()); // type
-    object.push_back(Engine::generateUUID()); // id
+    object.push_back(0); // id
     object.push_back(0); // parent
     object.push_back(""); // name