Problem with Falskaar mod

[SnickyRat]

Ive started playing falskaar and im on the Return the favor quest and when i am running into Staalgarde to attack when i get within 10 metres of the gate my game crashes everytime the first time i done the quest it worked fine bit i had to go off and i didnt save it but whenever i try to go into staalgarde to attack again it keeps crashing and i cant figure out why ive searched the internet numerous times and found no one else with the same problem can anyone help please ive been unable to play skyrim for weeks now and its really annoying.

PC SPECS

Intel core i7 6700k 4.00 GHz

MSi gtx 970 twin frozr v

16gb corsair vengeance ram

2tb hdd external

2tb hdd internal

500gb ssd internal

Skyrim load order (sorted using LOOT)

0 0 Skyrim.esm

1 1 Update.esm

2 2 Dawnguard.esm

3 3 HearthFires.esm

4 4 Dragonborn.esm

5 5 Unofficial Skyrim Legendary Edition Patch.esp

6 6 Falskaar.esm

7 7 Campfire.esm

8 8 SPIKE.esm

9 9 GeneralStores.esm

10 a ClimatesOfTamriel.esm

HighResTexturePack01.esp

HighResTexturePack02.esp

HighResTexturePack03.esp

11 b WetandCold.esp

12 c WetandCold - Ashes.esp

13 d AMatterOfTime.esp

14 e ASX_Spells.esp

15 f PalistovSpinningArrows_CloserQuiversLongerArrows.esp

16 10 EnhancedLightsandFX.esp

17 11 ELFX - Exteriors.esp

18 12 SkyRe_Main.esp

19 13 Book Covers Skyrim.esp

20 14 ELFXEnhancer.esp

21 15 Helgen Reborn.esp

22 16 RealisticWaterTwo.esp

23 17 SkyRe_EncounterZones.esp

24 18 Hothtrooper44_ArmorCompilation.esp

25 19 Beasts of Tamriel.esp

26 1a TES Blackmoor.esp

27 1b Tes Arena NorthKeep.esp

28 1c KamiTH.esp

29 1d Tes Sunguard.esp

30 1e dD - Enhanced Blood Main.esp

31 1f dD-Dragonborn-Dawnguard-EBT Patch.esp

32 20 dD-Larger Splatter Size.esp

33 21 FNIS.esp

34 22 Cloaks.esp

35 23 SMIM-Merged-All.esp

36 24 BecomeKingofSkyrim.esp

37 25 DeadlyDragons.esp

38 26 nTr4nc3 - Whiterun Mansion.esp

39 27 Tame Beast.esp

40 28 flaho_shi_eagles_nest_ENG.esp

41 29 SkyRe_Races.esp

42 2a Hothtrooper44_Armor_Ecksstra.esp

43 2b Guard Dialogue Overhaul.esp

44 2c Immersive Weapons.esp

45 2d SkyRe_EnemyAI.esp

46 2e RealisticWaterTwo - Dragonborn.esp

47 2f Sulfuras The Reclaimed Hand - Johnskyrim.esp

48 30 RealisticWaterTwo - Dawnguard.esp

49 31 Brevi_MoonlightTales.esp

50 32 secretroom-bh-en.esp

51 33 More_Saddles.esp

52 34 Headtracking.esp

53 35 PumpingIron.esp

54 36 RaceMenu.esp

55 37 RaceMenuPlugin.esp

56 38 dD - Realistic Ragdoll Force - Realistic.esp

57 39 Sovngard.esp

58 3a SkyUI.esp

59 3b Tainted Blood of the Dragonborn.esp

60 3c WondersofWeather.esp

61 3d XPMSE.esp

62 3e 1nivWICCloaks.esp

63 3f The Dance of Death - Ultimate Edition.esp

64 40 brawlbug-plugin.esp

65 41 RealisticWaterTwo - Falskaar.esp

66 42 Improved Dragon Shouts.esp

67 43 Ziilosdiidu.esp

68 44 Improved Dragon Shouts - Dawnguard.esp

69 45 Improved Dragon Shouts - Dragonborn.esp

70 46 1nivWICSkyCloaksPatch.esp

71 47 TrueStorms.esp

72 48 TrueStorms-ClimatesOfTamriel.esp

73 49 randomthunder.esp

74 4a ClimatesOfTamriel-Dawnguard-Patch.esp

75 4b ClimatesOfTamriel-Dragonborn-Patch.esp

76 4c ReProccer.esp