fix building playouts with certain playlist changes (#1935)

* fix building playouts with certain playlist changes

* update changelog

CHANGELOG.md

@@ -21,6 +21,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Fix `Scaling Behavior` `Crop` when content is smaller than FFmpeg Profile resolution
   - Now, content will properly scale beyond the desired resolution before cropping
 - Fix displaying playout item durations that are greater than 24 hours
+- Fix building playouts when playlist has been changed to have fewer items
 
 ## [0.8.8-beta] - 2024-09-19
 ### Added

ErsatzTV.Core/Scheduling/PlaylistEnumerator.cs

@@ -195,6 +195,12 @@ public class PlaylistEnumerator : IMediaCollectionEnumerator
         while (result.State.Index < state.Index)
         {
             result.MoveNext();
+
+            // previous state is no longer valid; playlist now has fewer items
+            if (result.State.Index == 0)
+            {
+                break;
+            }
         }
 
         return result;