diff --git a/cayenne-server/src/main/java/org/apache/cayenne/access/jdbc/SQLTemplateAction.java b/cayenne-server/src/main/java/org/apache/cayenne/access/jdbc/SQLTemplateAction.java
index 118cdd60e8..07e6353008 100644
--- a/cayenne-server/src/main/java/org/apache/cayenne/access/jdbc/SQLTemplateAction.java
+++ b/cayenne-server/src/main/java/org/apache/cayenne/access/jdbc/SQLTemplateAction.java
@@ -41,6 +41,7 @@
 import org.apache.cayenne.access.types.ExtendedTypeMap;
 import org.apache.cayenne.dba.DbAdapter;
 import org.apache.cayenne.dba.TypesMapping;
+import org.apache.cayenne.dba.frontbase.FrontBaseAdapter;
 import org.apache.cayenne.map.DbAttribute;
 import org.apache.cayenne.map.DbEntity;
 import org.apache.cayenne.map.DefaultScalarResultSegment;
@@ -188,6 +189,9 @@ protected void execute(Connection connection, OperationObserver callback, SQLSta
 		boolean iteratedResult = callback.isIteratedResult();
 		int generatedKeys = query.isReturnGeneratedKeys() ? Statement.RETURN_GENERATED_KEYS : Statement.NO_GENERATED_KEYS;
 		PreparedStatement statement = connection.prepareStatement(compiled.getSql(), generatedKeys);
+		if (statement == null && this.dbAdapter instanceof FrontBaseAdapter) {
+			statement = connection.prepareStatement(compiled.getSql());
+		}
 		try {
 			bind(statement, compiled.getBindings());
 
diff --git a/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/editor/DataMapTabbedView.java b/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/editor/DataMapTabbedView.java
index 05f88cd6b7..9614611f4d 100644
--- a/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/editor/DataMapTabbedView.java
+++ b/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/editor/DataMapTabbedView.java
@@ -20,13 +20,16 @@
 
 import org.apache.cayenne.modeler.Application;
 import org.apache.cayenne.modeler.ProjectController;
+import org.apache.cayenne.modeler.action.SaveAction;
 import org.apache.cayenne.modeler.editor.cgen.CodeGeneratorController;
+import org.apache.cayenne.modeler.editor.cgen.CodeGeneratorPane;
 import org.apache.cayenne.modeler.editor.cgen.domain.CgenTab;
 import org.apache.cayenne.modeler.editor.dbimport.DbImportView;
 import org.apache.cayenne.modeler.editor.dbimport.domain.DbImportTab;
 
-import javax.swing.JScrollPane;
-import javax.swing.JTabbedPane;
+
+import javax.swing.*;
+import java.awt.*;
 
 /**
  * Data map editing tabs container
@@ -50,6 +53,11 @@ public DataMapTabbedView(ProjectController mediator) {
         initView();
     }
 
+    protected CodeGeneratorPane view;
+
+    public CodeGeneratorPane getView() {
+        return view;
+    }
     /**
      * create tabs
      */
@@ -71,7 +79,7 @@ private void initView() {
 
         addChangeListener(tab -> {
             if(isCgenTabActive()) {
-                codeGeneratorController.initFromModel();
+                checkProjectSave(mediator);
             } else if(isDbImportTabActive()) {
                 dbImportView.initFromModel();
             }
@@ -87,6 +95,31 @@ private void initView() {
         });
     }
 
+    private void checkProjectSave(ProjectController mediator) {
+        if (mediator.getProject().getConfigurationResource() == null) {
+            int input = JOptionPane.showConfirmDialog(getView(), "You should save", null, JOptionPane.OK_CANCEL_OPTION);
+            if (input == 0) {
+                Application.getInstance().getActionManager().getAction(SaveAction.class).performAction();
+            }
+            if (mediator.isDirty()) {
+                enableComponents(cgenView, false);
+                return;
+            }
+        }
+        enableComponents(cgenView, true);
+        codeGeneratorController.initFromModel();
+    }
+
+    public void enableComponents(Container container, boolean enable) {
+        Component[] components = container.getComponents();
+        for (Component component : components) {
+            component.setEnabled(enable);
+            if (component instanceof Container) {
+                enableComponents((Container)component, enable);
+            }
+        }
+    }
+
     private boolean isCgenTabActive() {
         return getSelectedComponent() == cgenView;
     }