[F] SinglePlayer compatibility with 1.09.00

AquaMai/UX/SinglePlayer.cs

@@ -1,5 +1,6 @@
 using System.Collections.Generic;
 using System.Reflection;
+using AquaMai.Attributes;
 using HarmonyLib;
 using MAI2.Util;
 using Manager;
@@ -42,6 +43,9 @@ namespace AquaMai.UX
             return false;
         }
 
+        [GameVersion(21500)]
+        public class SkipTimer
+        {
             [HarmonyPostfix]
             [HarmonyPatch(typeof(EntryMonitor), "DecideEntry")]
             public static void PostDecideEntry(EntryMonitor __instance)
@@ -65,3 +69,4 @@ namespace AquaMai.UX
             }
         }
     }
+}