From 3e03916c3999fe9764c6fe299ac6ae83cb070179 Mon Sep 17 00:00:00 2001
From: smoogipoo <smoogipoo@smgi.me>
Date: Mon, 23 Dec 2019 17:45:59 +0900
Subject: [PATCH] Add length check back to workingbeatmap

---
 osu.Game/Beatmaps/WorkingBeatmap.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/osu.Game/Beatmaps/WorkingBeatmap.cs b/osu.Game/Beatmaps/WorkingBeatmap.cs
index baa15699be..6aba5257f5 100644
--- a/osu.Game/Beatmaps/WorkingBeatmap.cs
+++ b/osu.Game/Beatmaps/WorkingBeatmap.cs
@@ -108,7 +108,7 @@ public IBeatmap GetPlayableBeatmap(RulesetInfo ruleset, IReadOnlyList<Mod> mods
             IBeatmapConverter converter = CreateBeatmapConverter(Beatmap, rulesetInstance);
 
             // Check if the beatmap can be converted
-            if (!converter.CanConvert())
+            if (Beatmap.HitObjects.Count > 0 && !converter.CanConvert())
                 throw new BeatmapInvalidForRulesetException($"{nameof(Beatmaps.Beatmap)} can not be converted for the ruleset (ruleset: {ruleset.InstantiationInfo}, converter: {converter}).");
 
             // Apply conversion mods