From d7b2c70b787c284797933e74ecfa5bacf5fc3579 Mon Sep 17 00:00:00 2001
From: Florian CUNY <poslovitch@gmail.com>
Date: Sat, 2 Jun 2018 21:41:27 +0200
Subject: [PATCH] Fixed unaccurate logic in PanelBuilder#nextSlot()

---
 .../bskyblock/api/panels/builders/PanelBuilder.java        | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/main/java/us/tastybento/bskyblock/api/panels/builders/PanelBuilder.java b/src/main/java/us/tastybento/bskyblock/api/panels/builders/PanelBuilder.java
index 2c55286cc..7ed59ec74 100644
--- a/src/main/java/us/tastybento/bskyblock/api/panels/builders/PanelBuilder.java
+++ b/src/main/java/us/tastybento/bskyblock/api/panels/builders/PanelBuilder.java
@@ -71,10 +71,13 @@ public class PanelBuilder {
 
     /**
      * Get the next free slot number
-     * @return next slot number
+     * @return next slot number, or -1 in case none has been found.
      */
     public int nextSlot() {
-        return items.isEmpty() ? 0 : items.lastKey() + 1;
+        for (int i = 0 ; i < (size == 0 ? 54 : size) ; i++) {
+            if (!slotOccupied(i)) return i;
+        }
+        return -1;
     }
 
     /**