added Value error

ShipSoft · Dec 11, 2024 · 8fa4d9b · 8fa4d9b
1 parent 130cd0e
commit 8fa4d9b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/geometry/geometry_config.py b/geometry/geometry_config.py
@@ -59,7 +59,7 @@
 if "scName" not in globals():
     scName = None
 if "DecayVolumeMedium" not in globals():
-    DecayVolumeMedium = "helium"
+    raise ValueError("DecayVolumeMedium is not defined, possibly old (incompatible) geometry!")
 if "SND" not in globals():
     SND = False