diff --git a/platform/xdebugger-impl/src/com/intellij/xdebugger/impl/breakpoints/XBreakpointManagerImpl.java b/platform/xdebugger-impl/src/com/intellij/xdebugger/impl/breakpoints/XBreakpointManagerImpl.java
index 63a63b84b54f..4e60ce094b01 100644
--- a/platform/xdebugger-impl/src/com/intellij/xdebugger/impl/breakpoints/XBreakpointManagerImpl.java
+++ b/platform/xdebugger-impl/src/com/intellij/xdebugger/impl/breakpoints/XBreakpointManagerImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2016 JetBrains s.r.o.
+ * Copyright 2000-2017 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -253,7 +253,7 @@ public class XBreakpointManagerImpl implements XBreakpointManager, PersistentSta
   @Override
   public <B extends XBreakpoint<?>> Collection<? extends B> getBreakpoints(@NotNull Class<? extends XBreakpointType<B, ?>> typeClass) {
     XBreakpointType<B, ?> type = XDebuggerUtil.getInstance().findBreakpointType(typeClass);
-    LOG.assertTrue(type != null, "Unregistered breakpoint type " + typeClass);
+    LOG.assertTrue(type != null, "Unregistered breakpoint type " + typeClass + ", registered: " + Arrays.toString(XBreakpointType.EXTENSION_POINT_NAME.getExtensions()));
     return getBreakpoints(type);
   }