diff --git a/cinder/tests/unit/volume/drivers/dell_emc/powermax/test_powermax_common.py b/cinder/tests/unit/volume/drivers/dell_emc/powermax/test_powermax_common.py
index 7e1f9384543..1e486156320 100644
--- a/cinder/tests/unit/volume/drivers/dell_emc/powermax/test_powermax_common.py
+++ b/cinder/tests/unit/volume/drivers/dell_emc/powermax/test_powermax_common.py
@@ -2774,11 +2774,13 @@ class PowerMaxCommonTest(test.TestCase):
                                                    snapshots))
             self.assertEqual(ref_model_update, model_update)
 
-    def test_delete_group_snapshot_failed(self):
-        group_snapshot = self.data.test_group_snapshot_failed
+    @mock.patch.object(common.PowerMaxCommon, '_find_volume_group',
+                       return_value=None)
+    def test_delete_group_snapshot_not_on_array(self, mock_gvg):
+        group_snapshot = self.data.test_group_snapshot_1
         snapshots = []
         ref_model_update = (
-            {'status': fields.GroupSnapshotStatus.ERROR_DELETING})
+            {'status': fields.GroupSnapshotStatus.DELETED})
         with mock.patch.object(volume_utils, 'is_group_a_cg_snapshot_type',
                                return_value=True):
             model_update, snapshots_model_update = (
diff --git a/cinder/volume/drivers/dell_emc/powermax/common.py b/cinder/volume/drivers/dell_emc/powermax/common.py
index 2d7ff329bc4..375731f52c1 100644
--- a/cinder/volume/drivers/dell_emc/powermax/common.py
+++ b/cinder/volume/drivers/dell_emc/powermax/common.py
@@ -6003,14 +6003,13 @@ class PowerMaxCommon(object):
             if volume_group and volume_group.get('name'):
                 vol_grp_name = volume_group['name']
             if vol_grp_name is None:
-                exception_message = (
-                    _("Cannot find generic volume group %(grp_id)s.") %
-                    {'group_id': source_group.id})
-                raise exception.VolumeBackendAPIException(
-                    message=exception_message)
-
-            self.provision.delete_group_replica(
-                array, snap_name, vol_grp_name)
+                LOG.warning("Cannot find generic volume group %(grp_ss_id)s. "
+                            "on array %(array)s",
+                            {'grp_ss_id': group_snapshot.id,
+                             'array': array})
+            else:
+                self.provision.delete_group_replica(
+                    array, snap_name, vol_grp_name)
 
             model_update = {'status': fields.GroupSnapshotStatus.DELETED}
             for snapshot in snapshots: