Hello,

normally my server fps is between 350 400 but sometimes instantly it drops to 25 or 30.   I cannot figure out what causing this problem.

Here is my plugin list:

01 "AlphaLoot" (2.4.17) by FuJiKuRa (1.76s) - AlphaLoot.cs
02 "AutoCodeLock" (2.2.5) by FuJiCuRa (2.75s) - AutoCodeLock.cs
03 "AutoDoors" (3.1.2) by Wulf/lukespragg (0.66s) - AutoDoors.cs
04 "BGrade" (1.0.48) by Ryan (39.78s) - BGrade.cs
05 "Better Chat" (5.0.16) by LaserHydra (3.73s) - BetterChat.cs
06 "BetterChatFlood" (1.0.5) by Ryan (0.06s) - BetterChatFlood.cs
07 "BetterChat Mute" (1.1.2) by LaserHydra (0.07s) - BetterChatMute.cs
08 "BlockStashPlacement" (1.0.2) by Flaymar (1.38s) - BlockStashPlacement.cs
09 "BuildRevert" (1.0.5) by nivex (0.61s) - BuildRevert.cs
10 "Building Owners" (3.0.2) by Reneb (0.93s) - BuildingOwners.cs
11 "CarCommander" (0.2.56) by k1lly0u (115.00s) - CarCommander.cs
12 "Clans" (2.13.11) by FuJiCuRa (7.53s) - Clans.cs
13 "Deekay" (0.2.23) by k1lly0u (796.44s) - Deekay.cs
14 "DynamicCupShare" (2.6.3) by FuJiCuRa (73.75s) - DynamicCupShare.cs
15 "FancyDrop" (2.7.8) by FuJiCuRa (7.50s) - FancyDrop.cs
16 "Friends" (2.1.3) by Nogrod (0.13s) - Friends.cs
17 "FurnaceSorter" (1.0.8) by S1m0n (4.85s) - FurnaceSorter.cs
18 "GUIAnnouncements" (1.23.83) by JoeSheep (16.02s) - GUIAnnouncements.cs
19 "Gather Manager" (2.2.6) by Mughisi (0.56s) - GatherManager.cs
20 "Godmode" (4.1.1) by Wulf/lukespragg (0.44s) - Godmode.cs
21 "HeliControl" (1.3.1) by Shady (2.96s) - HeliControl.cs
22 "HitIcon" (1.5.9) by serezhadelaet (2.28s) - HitIcon.cs
23 "Image Library" (2.0.45) by Absolut & K1lly0u (0.49s) - ImageLibrary.cs
24 "InfoPanel" (0.9.9) by Ghosst / Nogrod (94.45s) - InfoPanel.cs
25 "InstantCraft" (1.2.3) by Vlad-00003 (30.36s) - InstantCraft.cs
26 "Inventory Viewer" (3.0.3) by Mughisi (0.50s) - InventoryViewer.cs
27 "Kill Feed" (1.17.0) by Tuntenfisch (29.64s) - KillFeed.cs
28 "Kits" (3.2.93) by Reneb (14.18s) - Kits.cs
29 "Magic Description" (1.3.1) by Wulf/lukespragg (0.12s) - MagicDescription.cs
30 "NTeleportation" (1.0.26) by Nogrod (16.45s) - NTeleportation.cs
31 "NeonSkins" (1.0.10) by Colon Blow (6.34s) - NeonSkins.cs
32 "NeverWear" (0.1.4) by k1lly0u (0.90s) - NeverWear.cs
33 "NoEscape" (2.0.92) by Calytic (26.62s) - NoEscape.cs
34 "NoGiveNotices" (0.1.0) by Wulf/lukespragg (0.01s) - NoGiveNotices.cs
35 "NoWorkbench" (0.1.50) by k1lly0u (2.40s) - NoWorkbench.cs
36 "OYNADI Logo" (1.0.0) by Dikkatdeli fixed by LaserHydra (0.32s) - OynadiLogo.cs
37 "Pets" (0.6.3) by Nogrod/k1lly0u (16.54s) - Pets.cs
38 "PlayerChallenges" (2.0.31) by k1lly0u (5.95s) - PlayerChallenges.cs
39 "Playtime Tracker" (0.1.7) by k1lly0u (9.66s) - PlaytimeTracker.cs
40 "PrivateMessage" (2.0.2) by Nogrod (0.05s) - PrivateMessage.cs
41 "ProtocolKickInfo" (1.0.3) by Fujikura (0.01s) - ProtocolKickInfo.cs
42 "QuickSmelt" (1.2.1) by Wulf/lukespragg (11.91s) - QuickSmelt.cs
43 "RandomSpawns" (0.2.0) by k1lly0u (0.08s) - RandomSpawns.cs
44 "RemoverTool" (4.2.10) by Reneb/Fuji (0.78s) - RemoverTool.cs
45 "Reserved" (2.0.3) by Wulf/lukespragg (0.03s) - Reserved.cs
46 "Rules GUI" (1.4.9) by PaiN (0.10s) - RulesGUI.cs
47 "ServerRewards" (0.4.64) by k1lly0u (5.39s) - ServerRewards.cs
48 "Sign Artist" (1.1.2) by Mughisi (0.01s) - SignArtist.cs
49 "SignTracker" (2.0.1) by Wulf/lukespragg (0.06s) - SignTracker.cs
50 "SkinBox" (1.13.7) by FuJiCuRa (4.17s) - SkinBox.cs
51 "SkipNightVote" (0.1.4) by k1lly0u (0.06s) - SkipNightVote.cs
52 "StacksExtended" (1.3.1) by Fujikura (14.49s) - StacksExtended.cs
53 "Timed Execute" (0.7.3) by PaiN (1.07s) - TimedExecute.cs
54 "Timed Permissions" (1.3.2) by LaserHydra (0.01s) - TimedPermissions.cs
55 "Tipster" (1.3.11) by Fujikura (5.22s) - Tipster.cs
56 "TradeBox" (1.1.31) by OxideRussia (1.48s) - Trade.cs
57 "Troll" (0.0.1) by Burak (0.02s) - Troll.cs
58 "UberTool" (1.3.14) by FuJiCuRa (158.06s) - UberTool.cs
59 "Underworld" (1.0.2) by nivex (0.04s) - Underworld.cs
60 "UniversalUI" (2.1.4) by Absolut (0.28s) - UniversalUI.cs
61 "UpLifted" (1.2.5) by FuJiCuRa (19.60s) - UpLifted.cs
62 "Vanish" (0.5.1) by Wulf/lukespragg (maintained by Jake_Rich) (527.88s) - Vanish.cs
63 "WellFed" (1.1.5) by ColonBlow (0.04s) - WellFed.cs
64 "ZLevelsRemastered" (2.9.4) by Fujikura/Visagalis (20.60s) - ZLevelsRemastered.cs
65 EnhancedBanSystem - Unloaded​

Any idea How can I fix this problem? 
Because it causes lag.

Best Regards,