1 files changed, 18 insertions, 0 deletions
diff --git a/Plugins/MonoGame.Extended/source/MonoGame.Extended.Collisions/Layers/UndefinedLayerException.cs b/Plugins/MonoGame.Extended/source/MonoGame.Extended.Collisions/Layers/UndefinedLayerException.cs
new file mode 100644
index 0000000..a27b5b6
--- /dev/null
+++ b/Plugins/MonoGame.Extended/source/MonoGame.Extended.Collisions/Layers/UndefinedLayerException.cs
@@ -0,0 +1,18 @@
+namespace MonoGame.Extended.Collisions.Layers;
+
+using System;
+
+/// <summary>
+/// Thrown when the collision system has no layer defined with the specified name
+/// </summary>
+public class UndefinedLayerException : Exception
+{
+    /// <summary>
+    /// Thrown when the collision system has no layer defined with the specified name
+    /// </summary>
+    /// <param name="layerName">The undefined layer name</param>
+    public UndefinedLayerException(string layerName)
+        : base($"Layer with name '{layerName}' is undefined")
+    {
+    }
+}