From 2938ef5cf8d24a7c2db18de842fcd21ca3aebcb0 Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Sun, 16 Jan 2022 21:48:10 +0100
Subject: whatever - does not help anyways

---
 src/terraform_cmd.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/terraform_cmd.cpp b/src/terraform_cmd.cpp
index c6c43799a..d1ed0d760 100644
--- a/src/terraform_cmd.cpp
+++ b/src/terraform_cmd.cpp
@@ -251,7 +251,7 @@ std::tuple<CommandCost, Money, TileIndex> CmdTerraformLand(DoCommandFlag flags,
 			if (pass == 0) {
 				/*	Terrafrom enable only top layer	*/
 				if (IsUnderground(tile)) {
-					return_cmd_error(STR_ERROR_UNDERGROUND_CAN_T_TERRAFORM);
+					return { CommandCost(STR_ERROR_UNDERGROUND_CAN_T_TERRAFORM), 0, tile };
 				}
 				/* Check if bridge would take damage */
 				if (IsBridgeAbove(t)) {
-- 
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