- Fix the back button on the switch/itemuse/allowedblocks GUIs not

working from the first page.
    - Closes #6027.

resources/ChangeLog.txt

@@ -7601,4 +7601,6 @@ v0.92.0.11:
   - Bump language files to 0.152.
   - Fix jailcells being able to be placed where a jailcell already exists.
   - Make the plot perm hud translatable.
-  - Fix potential NPE in SelectionGUI.
+  - Fix potential NPE in SelectionGUI.
+  - Fix the back button on the switch/itemuse/allowedblocks GUIs not working from the first page.
+    - Closes #6027.

src/com/palmergames/bukkit/towny/listeners/TownyInventoryListener.java

@@ -113,6 +113,7 @@ public void onClick(InventoryClickEvent event) {
 				case ITEMUSE -> Translatable.of("gui_title_towny_itemuse").forLocale(resident);
 			};
 
+			resident.setGUISelectionType(selectionGUI.getType());
 			selectionGUI.playClickSound(player);
 			ResidentUtil.openGUIInventory(resident, materialSet, title);
 		} else {

src/com/palmergames/bukkit/towny/object/Resident.java

@@ -18,6 +18,7 @@
 import com.palmergames.bukkit.towny.invites.InviteReceiver;
 import com.palmergames.bukkit.towny.invites.exceptions.TooManyInvitesException;
 import com.palmergames.bukkit.towny.object.economy.Account;
+import com.palmergames.bukkit.towny.object.gui.SelectionGUI.SelectionType;
 import com.palmergames.bukkit.towny.object.jail.Jail;
 import com.palmergames.bukkit.towny.object.metadata.BooleanDataField;
 import com.palmergames.bukkit.towny.object.metadata.CustomDataField;
@@ -78,6 +79,7 @@ public class Resident extends TownyObject implements InviteReceiver, EconomyHand
 
 	private ArrayList<Inventory> guiPages;
 	private int guiPageNum = 0;
+	private SelectionType guiSelectionType;
 	private int respawnProtectionTaskID = -1;
 	private boolean respawnPickupWarningShown = false; // Prevents chat spam when a player attempts to pick up an item while under respawn protection.
 
@@ -845,6 +847,14 @@ public void setGUIPageNum(int currentInventoryPage) {
 		this.guiPageNum = currentInventoryPage;
 	}
 
+	public SelectionType getGUISelectionType() {
+		return guiSelectionType;
+	}
+
+	public void setGUISelectionType(SelectionType selectionType) {
+		this.guiSelectionType = selectionType;
+	}
+
 	@Override
 	public void save() {
 		TownyUniverse.getInstance().getDataSource().saveResident(this);

src/com/palmergames/bukkit/towny/object/TownyInventory.java

@@ -1,6 +1,7 @@
 package com.palmergames.bukkit.towny.object;
 
 import com.palmergames.bukkit.towny.Towny;
+import com.palmergames.bukkit.towny.utils.ResidentUtil;
 import com.palmergames.bukkit.util.Colors;
 import net.kyori.adventure.key.Key;
 import net.kyori.adventure.sound.Sound;
@@ -56,6 +57,11 @@ public void tryPaginate(ItemStack clickedItem, Player player, Resident resident,
 					resident.setGUIPageNum(--currentPage);
 					new TownyInventory(resident, resident.getGUIPage(), inventoryView.getTitle());
 					playClickSound(player);
+				} else if (resident.getGUIPageNum() == 0) {
+					// No page to go back from: go back to the SelectionGUI for the SelectionType
+					// that the resident is currently browsing, let them choose a different plot type.
+					playClickSound(player);
+					ResidentUtil.openSelectionGUI(resident, resident.getGUISelectionType());
 				}
 			}
 		} catch (Exception ignored) {}