Looks like we finally have a solution.

Change logging to just log a message, instead of the exception.
Moved logic to Syncer involvement.  When posting the data, if a 500 is
returned, then it is up to the Syncer to re-submit it.

FreeTubeSync/Database/DataContext.cs

@@ -65,6 +65,17 @@ public class DataContext : DbContext
             .OrderByDescending(cl => cl.ChangeTime)
             .FirstOrDefaultAsync(ct);
     }
+
+    public async Task CleanupChangeLogAsync(CancellationToken ct = default)
+    {
+        var logs = await ChangeLogs.ToListAsync(ct);
+        if (logs.Count < 50) return;
+        for (var i = 0; i < (logs.Count - 50); i++)
+        {
+            ChangeLogs.Remove(logs[i]);
+        }
+        await base.SaveChangesAsync(ct);
+    }
     
     public DbSet<History> Histories { get; set; }
     public DbSet<Playlist> Playlists { get; set; }