From bb2a0da862c0293a9973f3c0633979d0d10a3be1 Mon Sep 17 00:00:00 2001
From: torradocacho <JesusTorrado@users.noreply.github.com>
Date: Thu, 25 Feb 2021 23:30:38 +0100
Subject: [PATCH] theory+likelihood: better error info for internal (or
 inherited)

---
 cobaya/theory.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/cobaya/theory.py b/cobaya/theory.py
index 29cc7a0c7..f9b8740be 100644
--- a/cobaya/theory.py
+++ b/cobaya/theory.py
@@ -252,7 +252,12 @@ def check_cache_and_compute(self, dependency_params=None, want_derived=False,
                 raise
             except Exception as e:
                 if self.stop_at_error:
-                    raise LoggedError(self.log, "Error at evaluation: %r", e)
+                    if isinstance(e, LoggedError):
+                        # Assume informative error message provided
+                        raise LoggedError(self.log, "Error at evaluation: %r", e)
+                    else:
+                        self.log.error("Error at evaluation. See traceback below.")
+                        raise
                 else:
                     self.log.debug(
                         "Ignored error at evaluation and assigned 0 likelihood "