Update bugs_and_glitches.md

Updated with new "`SFX_RUN` does not play correctly when a wild Pokemon flees from battle

docs/bugs_and_glitches.md

@@ -107,6 +107,7 @@ Fixes in the [multi-player battle engine](#multi-player-battle-engine) category
   - [`ClearWRAM` only clears WRAM bank 1](#clearwram-only-clears-wram-bank-1)
   - [`BattleAnimCmd_ClearObjs` only clears the first 6⅔ objects](#battleanimcmd_clearobjs-only-clears-the-first-6-objects)
   - [Options menu fails to clear joypad state on initialization](#options-menu-fails-to-clear-joypad-state-on-initialization)
+  - [`SFX_RUN` does not play correctly when a wild Pokemon flees from battle](#sfx_menu-does-not-play-correctly-when-a-awild-pokemon-flees-from-battle)
 
 
 ## Multi-player battle engine
@@ -2726,3 +2727,24 @@ This bug allows all the options to be updated at once if the left or right butto
  	ld a, [hl]
  	push af
 ```
+
+
+### `SFX_RUN` does not play correctly when a wild Pokemon flees from battle
+
+Due to the wrong command being used, `SFX_RUN` is never heard when a wild Pokemon flees from battle.
+
+**Fix:** Edit `WildFled_EnemyFled_LinkBattleCanceled` in [engine/battle/core.asm]
+(https://github.com/pret/pokecrystal/blob/master/engine/battle/core.asm):
+
+```diff
+.skip_text
+	call StopDangerSound
+	call CheckMobileBattleError
+	jr c, .skip_sfx
+
+	ld de, SFX_RUN
+-	call PlaySFX
++	call WaitPlaySFX
+
+.skip_sfx
+```