Clean up a couple of small niggles

As I was going through a few of the open PR, there were some small
changes which made for nice QoL improvements so I added them here.

parseorders.cpp

@@ -1553,8 +1553,7 @@ void Game::ProcessBuildOrder(Unit *unit, AString *o, OrdersCheck *pCheck)
 					}
 					int flying = ItemDefs[st].fly;
 					if (!reg->IsCoastalOrLakeside() && (flying <= 0)) {
-						unit->error("BUILD: Can't build ship in "
-								"non-coastal or lakeside region.");
+						unit->error("BUILD: Can't build ship in non-coastal or lakeside region.");
 						return;
 					}
 					unit->build = -st;
@@ -2924,12 +2923,13 @@ void Game::ProcessTransportOrder(Unit *u, AString *o, OrdersCheck *pCheck)
 		return;
 	}
 	int item = ParseTransportableItem(token);
-	delete token;
 
 	if (item == -1) {
-		parse_error(pCheck, u, 0, "TRANSPORT: Invalid item.");
+		parse_error(pCheck, u, 0, "TRANSPORT: Invalid item" + string(token->const_str()) + ".");
+		delete token;
 		return;
 	}
+	delete token;
 
 	int except = 0;
 	token = o->gettoken();

unit.cpp

@@ -1591,6 +1591,7 @@ int Unit::Practice(int sk)
 			skills.SetExp(sk, exp);
 		}
 		practiced = 1;
+		event("Gets " + to_string(bonus) +" days of practice with " + SkillDefs[sk].name + ".", "practice");
 	}
 
 	return bonus;