Fixed issue in sending error messages.

Commands.py

@@ -44,9 +44,6 @@ class Commands:
             base = self.interface.add_base(session, player, base_name, x_pos, z_pos)
 
             base_name = base.name
-        except EntryNameNotUniqueError:
-            session.rollback()
-            raise EntryNameNotUniqueError
         finally:
             session.close()
 
@@ -81,9 +78,6 @@ class Commands:
 
             tunnel = self.interface.add_tunnel(session, player, tunnel_color, tunnel_number, location_name)
             tunnel_info = tunnel.__str__()
-        except EntryNameNotUniqueError:
-            session.rollback()
-            raise EntryNameNotUniqueError
         finally:
             session.close()
 

Geoffrey.py

@@ -44,11 +44,12 @@ async def on_command_error(error, ctx):
     elif isinstance(error.original, EntryNameNotUniqueError):
         error_str = 'An entry in the database already has that name ding dong.'
     elif isinstance(error.original, DatabaseValueError):
-        error_str = 'Use a shorter name  or a smaller value, dong ding.'
+        error_str = 'Use a shorter name or a smaller value, dong ding.'
     else:
         error_str = bad_error_message.format(ctx.invoked_with, error)
 
-    bot.send_message(ctx.message.channel, '**Error Running Command:** {}'.format(error_str))
+    await bot.send_message(ctx.message.channel, '{} **Error Running Command:** {}'.format(ctx.message.author.mention,
+                                                                                          error_str))
 
 
 @bot.command()