01 "Airstrike" (0.3.6) by k1lly0u (0.22s) - Airstrike
02 "Arena" (0.1.120) by k1lly0u (45.94s) - Arena
03 "ArenaUI" (0.1.69) by k1lly0u (0.01s) - ArenaUI
04 "ArenaStatistics" (0.1.52) by k1lly0u (0.15s) - ArenaStatistics
05 "Arena Events" (0.1.57) by k1lly0u (17.75s) - ArenaEvents
06 "ArenaLootSpawns" (0.1.3) by k1lly0u (28.05s) - ArenaLootSpawns
07 "AutoDoors" (3.1.2) by Wulf/lukespragg (0.03s) - AutoDoors
08 "AutomaticAuthorization" (1.0.0) by k1lly0u/Arainrr (0.89s) - AutomaticAuthorization
09 "Auto Purge" (2.0.4) by misticos (1.07s) - AutoPurge
10 "Backpacks" (3.0.2) by LaserHydra (8.18s) - Backpacks
11 "Balloon Plus" (1.0.6) by Iv Misticos (1.17s) - BalloonPlus
12 "BGrade" (1.0.49) by Ryan (3.83s) - BGrade
13 "Bloodtrail" (1.0.3) by hoppel (0.00s) - Bloodtrail
14 "BotSpawn" (1.9.0) by Steenamaroo (91.16s) - BotSpawn
15 "Building Grades" (0.4.0) by Default (0.00s) - BuildingGrades
16 "ConnectMessages" (1.1.9) by Spicy (0.01s) - ConnectMessages
17 "Copy Paste" (4.1.17) by Reneb & MiRror & Misstake & misticos (0.03s) - CopyPaste
18 "Custom Skins Stacks Fix" (1.0.3) by Orange (6.88s) - CustomSkinsStacksFix
19 "Dangerous Treasures" (1.3.1) by nivex (6.77s) - DangerousTreasures
20 "Death Notes" (6.2.0) by LaserHydra (7.20s) - DeathNotes
21 "Easy Airdrop" (3.2.5) by LaserHydra (0.00s) - EasyAirdrop
22 "EasyVote" (2.0.35) by Exel80 (0.65s) - EasyVote
23 "Economics" (3.5.0) by Wulf/lukespragg (0.76s) - Economics
24 "Enhanced Hammer" (1.3.4) by Fuji/Visa (0.09s) - EnhancedHammer
25 "Entity Owner" (3.2.2) by Calytic (0.01s) - EntityOwner
26 "Extended Recycler" (1.0.6) by Orange (0.11s) - ExtendedRecycler
27 "Friendly Fire" (1.1.1) by collect_vood (0.37s) - FriendlyFire
28 "Friends" (2.2.5) by Nogrod (0.01s) - Friends
29 "Furnace Splitter" (2.2.0) by Skipcast (3.58s) - FurnaceSplitter
30 "GUIAnnouncements" (1.23.83) by JoeSheep (0.33s) - GUIAnnouncements
31 "GUI Shop" (1.5.85) by Default (0.51s) - GUIShop
32 "HitIcon" (1.5.9) by serezhadelaet (0.22s) - HitIcon
33 "Image Library" (2.0.49) by Absolut & K1lly0u (0.15s) - ImageLibrary
34 "Inbound" (0.4.5) by Tori1157 (0.55s) - Inbound
35 "InfoPanel" (1.0.0) by Default (5.51s) - InfoPanel
36 "Inventory Cleaner" (2.0.0) by Iv Misticos (0.00s) - InventoryCleaner
37 "Kits" (3.2.93) by Reneb (0.57s) - Kits
38 "Loot Bouncer" (0.5.0) by Sorrow/Arainrr (0.08s) - LootBouncer
39 "MagicLoot" (0.1.24) by Norn / Kunazai (12.34s) - MagicLoot
40 "My Mini Copter" (0.1.3) by RFC1920 (4.79s) - MyMiniCopter
41 "NightVision" (1.3.1) by Jake_Rich (0.39s) - NightVision
42 "NoDecay" (1.0.39) by RFC1920 (24.60s) - NoDecay
43 "No Give Notices" (0.2.0) by Wulf/lukespragg (0.00s) - NoGiveNotices
44 "Notify On Keyword" (0.0.2) by BuzZ[PHOQUE] (0.00s) - NotifyOnKeyword
45 "NTeleportation" (1.0.67) by RFC1920 (5.13s) - NTeleportation
46 "PathFinding" (1.1.3) by Reneb / Nogrod (0.09s) - PathFinding
47 "HumanNPC" (0.3.18) by Reneb/Nogrod/Calytic (13.86s) - HumanNPC
48 "PermissionsManager" (0.1.1) by Steenamaroo (0.43s) - PermissionsManager
49 "Plant Drop" (1.2.2) by Iv Misticos (0.04s) - PlantDrop
50 "PlayerAdministration" (1.5.15) by ThibmoRozier (0.05s) - PlayerAdministration
51 "PlayerChallenges" (2.0.45) by k1lly0u (5.62s) - PlayerChallenges
52 "PlayerDatabase" (1.5.7) by Reneb (0.01s) - PlayerDatabase
53 "PowerWarps" (1.0.1) by Tschuderhu (0.00s) - PowerWarps
54 "PrivateMessages" (1.1.0) by MisterPixie (0.03s) - PrivateMessages
55 "Quests" (2.3.1) by k1lly0u (6.14s) - Quests
56 "Quick Smelt" (5.1.2) by Iv Misticos (0.58s) - QuickSmelt
57 "Raid Tracker" (1.1.5) by nivex (0.14s) - RaidTracker
58 "RecycleManager" (1.0.15) by redBDGR (0.06s) - RecycleManager
59 "RemoverTool" (4.2.10) by Reneb/Fuji (0.20s) - RemoverTool
60 "Rustcord" (1.8.4) by Kirollos & OuTSMoKE (0.00s) - Rustcord
61 "Rust Rewards" (2.2.45) by MSpeedie (7.54s) - RustRewards
62 "SAMSiteAuth" (2.3.0) by haggbart (0.00s) - SAMSiteAuth
63 "SecurityLights" (1.1.4) by S0N_0F_BISCUIT (1.77s) - SecurityLights
64 "ServerInfo" (0.5.3) by Fujikura/baton (0.09s) - ServerInfo
65 "Sign Artist" (1.1.8) by RFC1920 (0.00s) - SignArtist
66 "SkinBox" (1.14.0) by FuJiCuRa (8.88s) - SkinBox
67 "SmoothRestart" (1.2.5) by Fujikura/Visagalis (3.35s) - SmoothRestart
68 "Spawns" (2.0.35) by Reneb / k1lly0u (0.00s) - Spawns
69 "Stack Size Controller" (2.0.1) by Canopy Sheep (0.02s) - StackSizeController
70 "TimeOfDay" (2.3.4) by FuJiCuRa (0.00s) - TimeOfDay
71 "Vanish" (0.7.7) by nivex (32.20s) - Vanish
72 "ZLevelsRemastered" (2.9.5) by FuJiCuRa (7.99s) - ZLevelsRemastered
73 "ZoneManager" (3.0.5) by Reneb / Nogrod / k1lly0u (6.75s) - ZoneManager.cs​

What have you tried so far to figure it out ?

Is everything updated ?

Have you tried unloading private messages and see if there's a difference or unloading all and see ?