fix error screen generation (#2594)

CHANGELOG.md

@@ -25,6 +25,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Fix classic schedule start time calculation across a UTC offset change
 - Fix XMLTV generation for channels using on-demand playout mode
 - Fix some file not found songs missing from trash view
+- Fix error screen generation
 
 ### Changed
 - Use smaller batch size for search index updates (100, down from 1000)

ErsatzTV.Core/FFmpeg/FFmpegLibraryProcessService.cs

@@ -697,7 +697,7 @@ public class FFmpegLibraryProcessService : IFFmpegProcessService
 
             if (!string.IsNullOrWhiteSpace(options))
             {
-                hlsSegmentOptions = $"mpegts_options={options}";
+                hlsSegmentOptions = $"mpegts_flags={options}";
             }
         }