diff --git a/src/Neo.VM/ReferenceCounter/ReferenceCounterV2.cs b/src/Neo.VM/ReferenceCounter/ReferenceCounterV2.cs
index b3db7548cf..614dfa196d 100644
--- a/src/Neo.VM/ReferenceCounter/ReferenceCounterV2.cs
+++ b/src/Neo.VM/ReferenceCounter/ReferenceCounterV2.cs
@@ -47,7 +47,7 @@ public void AddStackReference(StackItem item, int count = 1)
             _referencesCount += count;
 
             if (_referencesCount > _limits.MaxStackSize)
-                throw new IndexOutOfRangeException("Circular reference detected, execution stopped.");
+                throw new IndexOutOfRangeException("Circular reference or too many VM StackItems.");
             if (item is CompoundType compoundType)
             {
                 // Increment the item's stack references by the specified count.