diff --git a/include/xo/object2/DRuntimeError.hpp b/include/xo/object2/DRuntimeError.hpp
index 9da75c6..c59de59 100644
--- a/include/xo/object2/DRuntimeError.hpp
+++ b/include/xo/object2/DRuntimeError.hpp
@@ -6,6 +6,7 @@
 #pragma once
 
 #include "String.hpp"
+#include <xo/facet/obj.hpp>
 #include <xo/alloc2/Allocator.hpp>
 
 namespace xo {
@@ -15,20 +16,29 @@ namespace xo {
          **/
         class DRuntimeError {
         public:
+            using AGCObject = xo::mm::AGCObject;
             using ACollector = xo::mm::ACollector;
             using AAllocator = xo::mm::AAllocator;
             using ppindentinfo = xo::print::ppindentinfo;
 
         public:
+            /** convenience shortcut.**/
+            static obj<AGCObject,DRuntimeError> make(obj<AAllocator> mm,
+                                                     const char * src_fn,
+                                                     const char * error_descr);
+
             /** create instance using memory from allocator @p mm
              *  @p src_fn identifies the (c++) function/method in which
              *  error detercted.
              *  @p error_descr contains human-readable error message;
              *  will be copied by this function.
              **/
-            DRuntimeError * _make(obj<AAllocator> mm,
-                                  DString * src_fn,
-                                  DString * error_descr);
+            static DRuntimeError * _make(obj<AAllocator> mm,
+                                         DString * src_fn,
+                                         DString * error_descr);
+
+            DString * src_function() const noexcept { return src_function_; }
+            DString * error_descr() const noexcept { return error_descr_; }
 
             /** @defgroup scm-runtimeerror-printable-facet printable facet **/
             ///@{
diff --git a/src/object2/DRuntimeError.cpp b/src/object2/DRuntimeError.cpp
index 972bd0c..2b9fa62 100644
--- a/src/object2/DRuntimeError.cpp
+++ b/src/object2/DRuntimeError.cpp
@@ -3,7 +3,7 @@
  *  @author Roland Conybeare, Feb 2026
  **/
 
-#include "DRuntimeError.hpp"
+#include "RuntimeError.hpp"
 
 namespace xo {
     using xo::mm::AGCObject;
@@ -11,6 +11,24 @@ namespace xo {
 
     namespace scm {
 
+        obj<AGCObject,DRuntimeError>
+        DRuntimeError::make(obj<AAllocator> mm,
+                            const char * src_fn,
+                            const char * error_descr)
+        {
+            DRuntimeError * err = DRuntimeError::_make(mm, nullptr, nullptr);
+
+            // pedantic: allocate strings after allocating DRuntimeError instance
+
+            DString * src = DString::from_cstr(mm, src_fn);
+            DString * err_descr = DString::from_cstr(mm, error_descr);
+
+            err->src_function_ = src;
+            err->error_descr_ = err_descr;
+
+            return obj<AGCObject,DRuntimeError>(err);
+        }
+
         DRuntimeError *
         DRuntimeError::_make(obj<AAllocator> mm,
                              DString * src_fn,