diff --git a/src/slic3r/GUI/AMSMaterialsSetting.cpp b/src/slic3r/GUI/AMSMaterialsSetting.cpp
index cdb4ece1d3..61a4a37464 100644
--- a/src/slic3r/GUI/AMSMaterialsSetting.cpp
+++ b/src/slic3r/GUI/AMSMaterialsSetting.cpp
@@ -1135,14 +1135,19 @@ void AMSMaterialsSetting::on_select_filament(wxCommandEvent &evt)
     };
 
     int extruder_id = obj->get_extruder_id_by_ams_id(std::to_string(ams_id));
-    NozzleVolumeType nozzle_volume_type = NozzleVolumeType::nvtStandard;
-    if (obj->m_extder_data.extders[extruder_id].current_nozzle_flow_type == NozzleFlowType::NONE_FLOWTYPE) {
-        MessageDialog dlg(nullptr, _L("There are unset nozzle types. Please set the nozzle types of all extruders before synchronizing."), _L("Warning"), wxICON_WARNING | wxOK);
+    if (obj->is_nozzle_flow_type_supported() && (obj->get_nozzle_flow_type(extruder_id) == NozzleFlowType::NONE_FLOWTYPE))
+    {
+        MessageDialog dlg(nullptr, _L("The nozzle flow is not set. Please set the nozzle flow rate before editing the filament.\n'Device -> Print parts'"), _L("Warning"), wxICON_WARNING | wxOK);
         dlg.ShowModal();
     }
-    else {
-        nozzle_volume_type = NozzleVolumeType(obj->m_extder_data.extders[extruder_id].current_nozzle_flow_type - 1);
+
+    NozzleFlowType nozzle_flow_type = obj->get_nozzle_flow_type(extruder_id);
+    NozzleVolumeType nozzle_volume_type = NozzleVolumeType::nvtStandard;
+    if (nozzle_flow_type != NozzleFlowType::NONE_FLOWTYPE)
+    {
+        nozzle_volume_type = NozzleVolumeType(nozzle_flow_type - 1);
     }
+
     if (obj->cali_version >= 0) {
         // add default item
         PACalibResult default_item;
diff --git a/src/slic3r/GUI/DeviceManager.cpp b/src/slic3r/GUI/DeviceManager.cpp
index 191d916652..3b4896f038 100644
--- a/src/slic3r/GUI/DeviceManager.cpp
+++ b/src/slic3r/GUI/DeviceManager.cpp
@@ -5428,6 +5428,16 @@ std::string MachineObject::get_string_from_fantype(int type)
     return "";
 }
 
+NozzleFlowType MachineObject::get_nozzle_flow_type(int extruder_id) const
+{
+    if (is_nozzle_flow_type_supported() && m_extder_data.extders.size() > extruder_id)
+    {
+        return m_extder_data.extders[extruder_id].current_nozzle_flow_type;
+    }
+
+    return NozzleFlowType::NONE_FLOWTYPE;
+}
+
 void MachineObject::converse_to_duct(bool is_suppt_part_fun, bool is_suppt_aux_fun, bool is_suppt_cham_fun)
 {
     m_air_duct_data.modes.clear();
diff --git a/src/slic3r/GUI/DeviceManager.hpp b/src/slic3r/GUI/DeviceManager.hpp
index 798a3c8862..08dc5344b5 100644
--- a/src/slic3r/GUI/DeviceManager.hpp
+++ b/src/slic3r/GUI/DeviceManager.hpp
@@ -743,6 +743,10 @@ public:
     int     big_fan2_speed = 0;
     uint32_t fan_gear       = 0;
 
+    /*extruder*/
+    [[nodiscard]] bool is_nozzle_flow_type_supported() const { return is_enable_np; };
+    [[nodiscard]] NozzleFlowType get_nozzle_flow_type(int extruder_id) const;
+
     //new fan data
     AirDuctData m_air_duct_data;
     void converse_to_duct(bool is_suppt_part_fun, bool is_suppt_aux_fun, bool is_suppt_cham_fun); // Convert the data to duct type to make the newand old protocols consistent