Improve logging for missing parameters in dvc.yaml during get-config

CHANGELOG.md

@@ -21,6 +21,7 @@ and this project adheres to [Semantic Versioning][].
 -   Remove vendored `hiyapyco` code since required changes were released upstream in v0.7.0 ([#45](https://github.com/Boehringer-Ingelheim/dso/pull/45)).
 -   `None` values in `params.in.yaml` can now be used to override anything, e.g. to disable watermarking only in a specific stage ([#45](https://github.com/Boehringer-Ingelheim/dso/pull/45)).
 -   Improve logging for "missing path" warning during `compile-config` ([#59](https://github.com/Boehringer-Ingelheim/dso/pull/59)).
+-   Improve logging for missing parameters in `dvc.yaml` during `get-config` ([#59](https://github.com/Boehringer-Ingelheim/dso/pull/59)).
 
 ## v0.9.0
 

src/dso/get_config.py

@@ -148,6 +148,6 @@ def cli(stage, all, skip_compile):
         out_config = get_config(stage, all=all, skip_compile=skip_compile)
         yaml = YAML()
         yaml.dump(out_config, sys.stdout)
-    except KeyError:
-        log.error("dvc.yaml defines parameter that is not in params.yaml")
+    except KeyError as e:
+        log.error(f"dvc.yaml defines parameter {e} that is not in params.yaml")
         sys.exit(1)