diff --git a/phases/linear-static-mitc4-shell/index.json b/phases/linear-static-mitc4-shell/index.json
index 6535278..76c538a 100644
--- a/phases/linear-static-mitc4-shell/index.json
+++ b/phases/linear-static-mitc4-shell/index.json
@@ -110,10 +110,10 @@
       "step": 13,
       "name": "shell-reference-comparison",
       "status": "error",
-      "error_message": "[3회 시도 후 실패] reference-comparison: MITC4 comparator contract tests pass 6/6, but all four declared S4/S4R E2E tests fail before HDF5 generation with duplicate-entity at part ELSET Set-1; domain_mapper.cpp containsSetName incorrectly combines the part NSET and ELSET namespaces. Step 13 owns only the test reference module and forbids production fixes; hand off to Correction/Coordinator for the Step 1 shell-domain-mapping owner.",
+      "error_message": "Parser set namespaces and case-insensitive reference identity are corrected; MSVC/CTest passes 144/146, with only the S4 and S4R blocking-U comparison tests failing. The decks differ only by TYPE=S4/S4R (plus heading), both map to one identical FESA-MITC4 stiffness, but Abaqus center U3 differs by 8.190036e-7 while the larger approved tolerance is 1.0245598239e-9, so no common FESA result can pass both references without an upstream mapping or tolerance/gate contract change.",
       "started_at": "2026-08-12T21:54:14+0900",
       "failed_at": "2026-08-12T22:18:44+0900"
     }
   ],
   "created_at": "2026-08-12T17:50:02+0900"
-}
\ No newline at end of file
+}