diff --git a/quartical/apps/summary.py b/quartical/apps/summary.py
index 36e5e180..7956a00d 100644
--- a/quartical/apps/summary.py
+++ b/quartical/apps/summary.py
@@ -99,7 +99,7 @@ def feed_info(path):
     for i, arrs in enumerate(zipper):
         for vals in zip(*arrs):
             msg += f"    {i:<4} {vals[0]:<8} {' '.join(vals[1]):<8} " \
-                   f"{'{:.4f} {:.4f}'.format(*vals[2]):<16}\n"
+                   f"{' '.join([f'{x:.4f}' for x in vals[2]]):<16}\n"
 
     logger.info(msg)
 
diff --git a/quartical/data_handling/angles.py b/quartical/data_handling/angles.py
index 343ab466..76105d4d 100644
--- a/quartical/data_handling/angles.py
+++ b/quartical/data_handling/angles.py
@@ -75,7 +75,7 @@ def make_parangle_xds_list(ms_path, data_xds_list):
             coords={
                 "utime": np.arange(sum(xds.UTIME_CHUNKS)),
                 "ant": xds.ant,
-                "receptor": np.arange(2)
+                "receptor": np.arange(feedtab.dims['receptors'])
             },
             attrs={
                 "FEED_TYPE": feed_type,
diff --git a/quartical/data_handling/ms_handler.py b/quartical/data_handling/ms_handler.py
index e43d2963..fd0e77dd 100644
--- a/quartical/data_handling/ms_handler.py
+++ b/quartical/data_handling/ms_handler.py
@@ -93,19 +93,23 @@ def read_xds_list(model_columns, ms_opts):
     if ms_opts.data_column not in known_data_cols:
         schema[ms_opts.data_column] = {'dims': ('chan', 'corr')}
 
-    try:
-        data_xds_list = xds_from_storage_ms(
-            ms_opts.path,
-            columns=columns,
-            index_cols=("TIME",),
-            group_cols=ms_opts.group_by,
-            chunks=chunking_per_data_xds,
-            table_schema=["MS", {**schema}]
+    data_xds_list = xds_from_storage_ms(
+        ms_opts.path,
+        columns=columns,
+        index_cols=("TIME",),
+        group_cols=ms_opts.group_by,
+        chunks=chunking_per_data_xds,
+        table_schema=["MS", {**schema}]
+    )
+
+    missing_columns = set().union(
+        *[set(columns) - set(xds.data_vars.keys()) for xds in data_xds_list]
+    )
+
+    if missing_columns:
+        raise ValueError(
+            f"Invalid/missing column specified as input: {missing_columns}."
         )
-    except RuntimeError as e:
-        raise RuntimeError(
-            f"Invalid/missing column specified. Underlying error: {e}."
-        ) from e
 
     spw_xds_list = xds_from_storage_table(
         ms_opts.path + "::SPECTRAL_WINDOW",