LMT generation: Catch LinAlg errors (e.g. during SVD), fall back to static

1 files changed, 6 insertions, 1 deletions

diff --git a/lib/parameters.py b/lib/parameters.py
index 1f72700..70e0fd3 100644
--- a/lib/parameters.py
+++ b/lib/parameters.py
@@ -991,7 +991,12 @@ class ModelAttribute:
                 )
                 self.model_function = df.StaticFunction(np.mean(data))
                 return
-            lmt.fit(fit_parameters, data)
+            try:
+                lmt.fit(fit_parameters, data)
+            except np.linalg.LinAlgError as e:
+                logger.error(f"LMT generated failed: {e}")
+                self.model_function = df.StaticFunction(np.mean(data))
+                return
             self.model_function = df.LMTFunction(
                 np.mean(data), lmt, category_to_index, ignore_index
             )