BUG that kicks everyone out of server

[TomSaw27]

After this communicate server lags and kick everyone out of server. Does anyone have an idea what might cause that? 

31.1.2024 11:03:58 [Error] Exception: Collection was modified; enumeration operation may not execute.    at Vintagestory.API.Common.Entities.Entity.OnGameTick(Single dt) in VintagestoryApi\Common\Entity\Entity.cs:line 867    at Vintagestory.API.Common.EntityAgent.OnGameTick(Single dt) in VintagestoryApi\Common\Entity\EntityAgent.cs:line 537    at Vintagestory.API.Common.EntityPlayer.OnGameTick(Single dt) in VintagestoryApi\Common\Entity\EntityPlayer.cs:line 653    at Vintagestory.Server.ServerSystemEntitySimulation.TickEntities(Single dt) in VintagestoryLib\Server\Systems\World\EntitySimulation.cs:line 329    at Vintagestory.Server.ServerSystemEntitySimulation.OnServerTick(Single dt) in VintagestoryLib\Server\Systems\World\EntitySimulation.cs:line 168    at Vintagestory.Server.ServerMain.Process() in VintagestoryLib\Server\ServerMain.cs:line 886

Edited January 31 by TomSaw27