[Help] I'm trying to Save my Randomized ROM and I keep getting an error Code: CTR-P-EK2A

[FakeGrant]

Randomizer Version: 4.6.0
Seed: 259263967784607
Settings String: 321YzgEdkKKAo0CkAKSAAIeJBlkkAAAFAA9CQABAAAAAAAAAhCIMsnQhIAICTIJCQTQQAUYCVBva2Vtb24gWZ4bhyTjwziK
Java Version: 1.8.0_431, Java HotSpot(TM) 64-Bit Server VM
ROM: Pokemon Y
Code: CTR-P-EK2A
Reported Support Level: Complete

com.dabomstew.pkrandom.exceptions.RandomizerIOException: java.io.FileNotFoundException: C:\Users\Landon\Desktop\Pokemon\PokeRandoZX-v4_6_0\tmp_PokemonYUSAEnJaFrDeEsItKo\a031 (The process cannot access the file because it is being used by another process)
at com.dabomstew.pkrandom.romhandlers.Gen6RomHandler.setFieldItems(Gen6RomHandler.java:3773)
at com.dabomstew.pkrandom.romhandlers.Gen6RomHandler.setFieldTMs(Gen6RomHandler.java:3606)
at com.dabomstew.pkrandom.romhandlers.AbstractRomHandler.randomizeFieldItems(AbstractRomHandler.java:5272)
at com.dabomstew.pkrandom.Randomizer.randomize(Randomizer.java:636)
at com.dabomstew.pkrandom.newgui.NewRandomizerGUI.lambda$performRandomization$111(NewRandomizerGUI.java:1023)
at java.lang.Thread.run(Unknown Source)
Caused by: java.io.FileNotFoundException: C:\Users\Landon\Desktop\Pokemon\PokeRandoZX-v4_6_0\tmp_PokemonYUSAEnJaFrDeEsItKo\a031 (The process cannot access the file because it is being used by another process)
at java.io.FileOutputStream.open0(Native Method)
at java.io.FileOutputStream.open(Unknown Source)
at java.io.FileOutputStream.(Unknown Source)
at java.io.FileOutputStream.(Unknown Source)
at com.dabomstew.pkrandom.ctr.RomfsFile.writeOverride(RomfsFile.java:94)
at com.dabomstew.pkrandom.ctr.NCCH.writeFile(NCCH.java:741)
at com.dabomstew.pkrandom.romhandlers.Abstract3DSRomHandler.writeFile(Abstract3DSRomHandler.java:244)
at com.dabomstew.pkrandom.romhandlers.Abstract3DSRomHandler.writeFile(Abstract3DSRomHandler.java:199)
at com.dabomstew.pkrandom.romhandlers.Abstract3DSRomHandler.writeGARC(Abstract3DSRomHandler.java:188)
at com.dabomstew.pkrandom.romhandlers.Gen6RomHandler.setFieldItems(Gen6RomHandler.java:3771)
... 5 more

--ROM Diagnostics--
File name: Pokemon Y (USA) (En,Ja,Fr,De,Es,It,Ko).3ds
.code: D0F07ED8
romfs header: 82137600
DllBattle.cro: E0AAA768
DllField.cro: 9575E9CD
DllIntro.cro: 6C0EE4DD
DllPoke3Select.cro: 2A592492
DllShinkaDemo.cro: 43C33CF5
a/0/1/2: C4BF77F6
a/0/3/1: AF19B42A
a/0/3/8: 7C3D4F79
a/0/4/0: 9CC8CE76
a/0/7/2: 9BC3A6FF
a/0/7/3: F8DBB596
a/0/7/4: D82C84F1
a/0/7/5: C87137F9
a/0/7/6: 786B8CD7
a/0/7/7: BD2D89DF
a/0/7/8: 3DF7E17C
a/0/7/9: 9065EEB5
a/0/8/0: C4254B39
a/0/8/1: D986593F
a/0/8/2: EFD12B9E
a/0/8/3: 838EBFA4
a/0/8/4: 44E43DB3
a/0/8/5: CAF14DBA
a/0/8/6: A35ADBD4
a/0/8/7: 370DB5E5
a/0/9/3: F739084C
a/2/0/2: B94C21A8
a/2/1/2: 974DAD20
a/2/1/3: DA076D1B
a/2/1/4: 165E653E
a/2/1/5: B6F5DFA9
a/2/1/6: FE88377C
a/2/1/8: 7834E6AE
a/2/1/9: 8219BA02
a/2/2/0: C013D028