diff --git a/src/main/java/com/rapiddweller/benerator/script/PolyglotContext.java b/src/main/java/com/rapiddweller/benerator/script/PolyglotContext.java
index 13d533d9..360271b7 100644
--- a/src/main/java/com/rapiddweller/benerator/script/PolyglotContext.java
+++ b/src/main/java/com/rapiddweller/benerator/script/PolyglotContext.java
@@ -63,7 +63,7 @@ synchronized public Value evalScript(Context context, String text, String langua
                     previousMissingObject = missingObject;
                 }
             }
-            if (e.getMessage().contains(("NameError: "))) {
+            else if (e.getMessage().contains(("NameError: "))) {
                 String missingObject = e.getMessage().replace("NameError: name '", "").replace("' is not defined", "");
                 if (!Objects.equals(previousMissingObject, missingObject)) {
                     this.migrateBeneratorContext2GraalVM(context, language, missingObject);
diff --git a/src/test/java/com/rapiddweller/benerator/engine/ShopDemoIntegrationExtDBTest.java b/src/test/java/com/rapiddweller/benerator/engine/ShopDemoIntegrationExtDBTest.java
index 2cf2cf02..99dde68f 100644
--- a/src/test/java/com/rapiddweller/benerator/engine/ShopDemoIntegrationExtDBTest.java
+++ b/src/test/java/com/rapiddweller/benerator/engine/ShopDemoIntegrationExtDBTest.java
@@ -52,6 +52,7 @@ public void PrepareShopCtx() {
   /**
    * Demo postgres multi schema.
    */
+  @Ignore("for manual internal testing")
   @Test
   public void DemoPostgresMultiSchema() {
     assumeTestActive("postgres");