From 225d43f59705c2e1451f8b220eb2981d1421e014 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Se=C3=A1n=20Kavanagh?=
 <51478689+kavanase@users.noreply.github.com>
Date: Sun, 17 Nov 2024 18:24:47 -0500
Subject: [PATCH] Add informative error message to SymmetryUndeterminedError
 (#4155)

---
 src/pymatgen/symmetry/analyzer.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pymatgen/symmetry/analyzer.py b/src/pymatgen/symmetry/analyzer.py
index db2687ccf73..f20fd187820 100644
--- a/src/pymatgen/symmetry/analyzer.py
+++ b/src/pymatgen/symmetry/analyzer.py
@@ -77,7 +77,7 @@ def _get_symmetry_dataset(cell, symprec, angle_tolerance):
     """
     dataset = spglib.get_symmetry_dataset(cell, symprec=symprec, angle_tolerance=angle_tolerance)
     if dataset is None:
-        raise SymmetryUndeterminedError
+        raise SymmetryUndeterminedError(spglib.get_error_message())
     return dataset