diff --git a/build.gradle.kts b/build.gradle.kts
index c6dc7ec1c61..563ae8b2b26 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -83,7 +83,7 @@ dependencies {
         exclude("org.glassfish", "javax.json")
     }
     api("com.github.1c-syntax", "utils", "0.5.1")
-    api("io.github.1c-syntax", "mdclasses", "0.12.0-rc.5")
+    api("io.github.1c-syntax", "mdclasses", "0.12.0")
     api("io.github.1c-syntax", "bsl-common-library", "0.5.0")
     api("io.github.1c-syntax", "supportconf", "0.12.1")
 
diff --git a/src/main/java/com/github/_1c_syntax/bsl/languageserver/diagnostics/WrongDataPathForFormElementsDiagnostic.java b/src/main/java/com/github/_1c_syntax/bsl/languageserver/diagnostics/WrongDataPathForFormElementsDiagnostic.java
index 77528c81a4c..42c8d16d4d1 100644
--- a/src/main/java/com/github/_1c_syntax/bsl/languageserver/diagnostics/WrongDataPathForFormElementsDiagnostic.java
+++ b/src/main/java/com/github/_1c_syntax/bsl/languageserver/diagnostics/WrongDataPathForFormElementsDiagnostic.java
@@ -29,9 +29,9 @@
 import com.github._1c_syntax.bsl.languageserver.utils.Ranges;
 import com.github._1c_syntax.bsl.mdo.Form;
 import com.github._1c_syntax.bsl.mdo.MD;
+import com.github._1c_syntax.bsl.mdo.storage.form.FormItem;
 import com.github._1c_syntax.bsl.mdo.support.ScriptVariant;
 import com.github._1c_syntax.bsl.types.ModuleType;
-import com.github._1c_syntax.mdclasses.mdo.children.form.FormItem;
 import org.eclipse.lsp4j.Range;
 
 import java.util.function.Predicate;
@@ -57,16 +57,15 @@ public class WrongDataPathForFormElementsDiagnostic extends AbstractDiagnostic {
 
   @Override
   protected void check() {
-
     var range = documentContext.getSymbolTree().getModule().getSelectionRange();
     if (!Ranges.isEmpty(range)) {
       checkCurrentModule(range);
     }
   }
 
-//  private static boolean wrongDataPath(FormItem formItem) {
-//    return formItem.getDataPath().getSegment().startsWith("~");
-//  }
+  private static boolean wrongDataPath(FormItem formItem) {
+    return formItem.getDataPath().getSegments().startsWith("~");
+  }
 
   private static boolean haveFormModules(Form form) {
     return !form.getModules().isEmpty();
@@ -84,13 +83,11 @@ private void checkCurrentModule(Range range) {
   }
 
   private void checkAllFormsWithoutModules() {
-    // todo формы не доделаны
-//    checkMdoObjectStream(form -> !haveFormModules(form),
-//      documentContext.getServerContext().getConfiguration().getChildrenByMdoRef().values().stream());
+    checkMdoObjectStream(form -> !haveFormModules(form),
+      documentContext.getServerContext().getConfiguration().getPlainChildren().stream());
   }
 
   private void checkMdoObjectStream(Predicate<Form> formFilter, Stream<MD> stream) {
-
     stream
       .filter(Form.class::isInstance)
       .map(Form.class::cast)
@@ -99,17 +96,15 @@ private void checkMdoObjectStream(Predicate<Form> formFilter, Stream<MD> stream)
   }
 
   private void checkForm(Form form) {
-
     var formData = form.getData();
     if (formData.isEmpty()) {
       return;
     }
-// todo формы не доделаны
-//    formData.getPlainChildren()
-//      .stream()
-//      .filter(WrongDataPathForFormElementsDiagnostic::wrongDataPath)
-//      .forEach(formItem -> diagnosticStorage.addDiagnostic(diagnosticRange,
-//        info.getMessage(formItem.getName(), getMdoRef(form))));
+    formData.getPlainItems()
+      .stream()
+      .filter(WrongDataPathForFormElementsDiagnostic::wrongDataPath)
+      .forEach(formItem -> diagnosticStorage.addDiagnostic(diagnosticRange,
+        info.getMessage(formItem.getName(), getMdoRef(form))));
   }
 
   private String getMdoRef(Form form) {
diff --git a/src/test/java/com/github/_1c_syntax/bsl/languageserver/diagnostics/WrongDataPathForFormElementsDiagnosticTest.java b/src/test/java/com/github/_1c_syntax/bsl/languageserver/diagnostics/WrongDataPathForFormElementsDiagnosticTest.java
index 940cfb4b435..9857fedd350 100644
--- a/src/test/java/com/github/_1c_syntax/bsl/languageserver/diagnostics/WrongDataPathForFormElementsDiagnosticTest.java
+++ b/src/test/java/com/github/_1c_syntax/bsl/languageserver/diagnostics/WrongDataPathForFormElementsDiagnosticTest.java
@@ -23,14 +23,15 @@
 
 import com.github._1c_syntax.bsl.languageserver.util.TestUtils;
 import com.github._1c_syntax.bsl.mdclasses.CF;
+import com.github._1c_syntax.bsl.mdo.Form;
 import com.github._1c_syntax.utils.Absolute;
 import org.eclipse.lsp4j.Diagnostic;
 import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 import org.springframework.test.annotation.DirtiesContext;
 
 import java.nio.file.Paths;
+import java.util.Collections;
 import java.util.List;
 
 import static com.github._1c_syntax.bsl.languageserver.util.Assertions.assertThat;
@@ -55,16 +56,14 @@ void setUp() {
   }
 
   @Test
-  @Disabled
   void testNoFormModule() {
 
     final var pathToManagedApplicationModuleFile = "/Ext/ManagedApplicationModule.bsl";
 
     context = spy(context);
     final var configuration = spy(context.getConfiguration());
-    when(context.getConfiguration()).thenReturn(configuration);
-
     fillConfigChildrenByFormsWithoutModule(configuration);
+    when(context.getConfiguration()).thenReturn(configuration);
 
     List<Diagnostic> diagnostics = getDiagnosticListForMockedFile(pathToManagedApplicationModuleFile);
 
@@ -76,7 +75,6 @@ void testNoFormModule() {
   }
 
   @Test
-  @Disabled
   void testFormModule() {
 
     List<Diagnostic> diagnostics = getDiagnosticListForMockedFile(PATH_TO_ELEMENT_MODULE_FILE);
@@ -88,7 +86,6 @@ void testFormModule() {
   }
 
   @Test
-  @Disabled
   void testDynamicListFormModule() {
 
     final var pathToDynamicListModuleFile = "/Catalogs/Справочник1/Forms/ФормаВыбора/Ext/Form/Module.bsl";
@@ -101,20 +98,23 @@ void testDynamicListFormModule() {
   }
 
   private void fillConfigChildrenByFormsWithoutModule(CF configuration) {
-//    final var childrenByMdoRefFromConfig = configuration.getChildrenByMdoRef();
-//    var childrenByMdoRef = childrenByMdoRefFromConfig.entrySet().stream()
-//      .filter(entry -> entry.getValue() instanceof Form)
-//      .collect(Collectors.toMap(Map.Entry::getKey, entry -> {
-//        ((Form) entry.getValue()).setModules(Collections.emptyList());
-//        return entry.getValue();
-//      }));
-//    when(configuration.getChildrenByMdoRef()).thenReturn(childrenByMdoRef);
+    var plainChildren = configuration.getPlainChildren().stream()
+      .filter(md -> md instanceof Form)
+      .map(md -> {
+        var mockMD = spy(md);
+        when(((Form) mockMD).getModules()).thenReturn(Collections.emptyList());
+        return mockMD;
+      })
+      .toList();
+
+    when(configuration.getPlainChildren()).thenReturn(plainChildren);
   }
 
   private List<Diagnostic> getDiagnosticListForMockedFile(String pathToDynamicListModuleFile) {
     var testFile = Paths.get(PATH_TO_METADATA + pathToDynamicListModuleFile).toAbsolutePath();
 
-    var documentContext = TestUtils.getDocumentContext(testFile.toUri(), getText());
+    var documentContext = spy(TestUtils.getDocumentContext(testFile.toUri(), getText()));
+    when(documentContext.getServerContext()).thenReturn(context);
 
     return getDiagnostics(documentContext);
   }