diff --git a/eco-core/core-plugin/src/main/kotlin/com/willfp/ecomenus/components/ConfigurableSlot.kt b/eco-core/core-plugin/src/main/kotlin/com/willfp/ecomenus/components/ConfigurableSlot.kt
index 1e53c2d..185b7ad 100644
--- a/eco-core/core-plugin/src/main/kotlin/com/willfp/ecomenus/components/ConfigurableSlot.kt
+++ b/eco-core/core-plugin/src/main/kotlin/com/willfp/ecomenus/components/ConfigurableSlot.kt
@@ -28,7 +28,7 @@ class ConfigurableSlot(
     override val column: Int = config.getInt("location.column")
     val page: Int = config.getInt("location.page")
 
-    override val layer = runCatching { enumValueOf<MenuLayer>(config.getString("layer")) }
+    override val layer = runCatching { enumValueOf<MenuLayer>(config.getString("location.layer").uppercase()) }
         .getOrElse { MenuLayer.MIDDLE }
 
     private val context = baseContext.with("slot at row ${row}, column $column, page $page")
@@ -84,13 +84,11 @@ class ConfigurableSlot(
         return slot
     }
 
-    fun <T : PageBuilder> add(builder: T): T {
+    fun add(builder: PageBuilder) {
         try {
             builder.addComponent(this)
         } catch (e: Exception) {
             context.log(ConfigViolation("location", "Invalid location!"))
         }
-
-        return builder
     }
 }
diff --git a/eco-core/core-plugin/src/main/kotlin/com/willfp/ecomenus/menus/Menu.kt b/eco-core/core-plugin/src/main/kotlin/com/willfp/ecomenus/menus/Menu.kt
index 52b4c62..6269199 100644
--- a/eco-core/core-plugin/src/main/kotlin/com/willfp/ecomenus/menus/Menu.kt
+++ b/eco-core/core-plugin/src/main/kotlin/com/willfp/ecomenus/menus/Menu.kt
@@ -39,7 +39,7 @@ fun buildMenu(plugin: EcoPlugin, menu: EcoMenu, config: Config): Menu {
 
     val slots = mutableListOf<ConfigurableSlot>()
 
-    for (slotConfig in config.getSubsections("slot_templates")) {
+    for (slotConfig in config.getSubsections("slots")) {
         val slot = ConfigurableSlot(
             plugin,
             ViolationContext(plugin, "menu ${menu.id}"),
@@ -93,7 +93,7 @@ fun buildMenu(plugin: EcoPlugin, menu: EcoMenu, config: Config): Menu {
 
         onClose { event, menu ->
             val player = event.player as Player
-            menu.close(player)
+            menu.previousMenus[player].popOrNull()?.open(player)
         }
     }
 }
diff --git a/gradle.properties b/gradle.properties
index e34db91..e3dc98b 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -2,4 +2,4 @@
 #Sat Jun 03 15:45:10 BST 2023
 kotlin.code.style=official
 libreforge-version=4.17.2
-version=1.0.0
\ No newline at end of file
+version=0.0.1-ALPHA
\ No newline at end of file