aware of debugger communication error on break event

platform/script-debugger/backend/src/org/jetbrains/debugger/DebugEventAdapter.java

@@ -40,4 +40,8 @@ public abstract class DebugEventAdapter implements DebugEventListener {
   @Override
   public void navigated(String newUrl) {
   }
+
+  @Override
+  public void errorOccurred(@NotNull String errorMessage) {
+  }
 }

platform/script-debugger/backend/src/org/jetbrains/debugger/DebugEventListener.java

@@ -58,4 +58,6 @@ public interface DebugEventListener extends EventListener {
    * @param newUrl the new URL of the debugged target
    */
   void navigated(String newUrl);
+
+  void errorOccurred(@NotNull String errorMessage);
 }