I just updated my server/game version to the latest, and umod to the latest. But now my server log is getting spammed the same error like crazy. Are other servers the same with this update? I have realized that AI/animals are not moving or attacking.

There's another "base"? error too

ArgumentNullException: Value cannot be null.
Parameter name: ai
  at Apex.AI.Components.UtilityAIClient..ctor (Apex.AI.IUtilityAI ai, Apex.AI.Components.IContextProvider contextProvider) [0x00031] in <7eb0536a8fb34bcc8a790faa9ed09eb8>:0 
  at Rust.Ai.BaseAiUtilityClient..ctor (Apex.AI.IUtilityAI ai, Apex.AI.Components.IContextProvider contextProvider) [0x00000] in <8acaac15a4ae4076850980dfc1a91cc1>:0 
  at NPCPlayerApex.get_SelectPlayerTargetAI () [0x0002a] in <8acaac15a4ae4076850980dfc1a91cc1>:0 
  at NPCPlayerApex.TickSensorySystem () [0x000b2] in <8acaac15a4ae4076850980dfc1a91cc1>:0 
  at NPCPlayerApex.Apex.LoadBalancing.ILoadBalanced.ExecuteUpdate (System.Single deltaTime, System.Single nextInterval) [0x00031] in <8acaac15a4ae4076850980dfc1a91cc1>:0 
  at Apex.LoadBalancing.LoadBalancedQueue.Update () [0x00095] in <202755f988f04042b9dce0287e399a48>:0 
  at Apex.LoadBalancing.LoadBalancerComponent.Update () [0x00004] in <202755f988f04042b9dce0287e399a48>:0 

InvalidProgramException: Invalid IL code in TriggerComfort:OnEntityEnter (BaseEntity): IL_0020: ret       
  at TriggerBase.OnObjectAdded (UnityEngine.GameObject obj) [0x00021] in <8acaac15a4ae4076850980dfc1a91cc1>:0 
  at TriggerBase.OnTriggerEnter (UnityEngine.Collider collider) [0x00068] in <8acaac15a4ae4076850980dfc1a91cc1>:0 

For the IL error, see https://umod.org/community/rust/19617-invalidprogramexception-invalid-il-code-in-triggercomfortonentityenter

Update: Oxide was fucked and causing tons of errors, thanks Wulf for the help