Random crash while starting a server and spawning some elements

[CrosRoad95]

System.InvalidOperationException: 'Operations that change non-concurrent collections must have exclusive access. A concurrent update was performed on this collection and corrupted its state. The collection's state is no longer correct.'

>    System.Private.CoreLib.dll!System.ThrowHelper.ThrowInvalidOperationException_ConcurrentOperationsNotSupported()    Unknown
     System.Private.CoreLib.dll!System.Collections.Generic.Dictionary<SlipeServer.Server.Elements.ElementType, System.__Canon>.FindValue(SlipeServer.Server.Elements.ElementType key)    Unknown
     System.Private.CoreLib.dll!System.Collections.Generic.Dictionary<SlipeServer.Server.Elements.ElementType, System.__Canon>.ContainsKey(SlipeServer.Server.Elements.ElementType key)    Unknown
 SlipeServer.Server.dll!SlipeServer.Server.ElementCollections.RTreeCompoundElementCollection.GetRTreeElementCollection(SlipeServer.Server.Elements.ElementType elementType)    Unknown
     SlipeServer.Server.dll!SlipeServer.Server.ElementCollections.RTreeCompoundElementCollection.Add(SlipeServer.Server.Elements.Element element)    Unknown
     SlipeServer.Server.dll!SlipeServer.Server.MtaServer.AssociateElement<SlipeServer.Server.Elements.Player>(SlipeServer.Server.Elements.Player element)    Unknown
     SlipeServer.Server.dll!SlipeServer.Server.MtaServer.EnqueueIncomingPacket(SlipeServer.Net.Wrappers.INetWrapper netWrapper, uint binaryAddress, SlipeServer.Packets.Enums.PacketId packetId, byte[] data, uint? ping)    Unknown
     SlipeServer.Net.dll!SlipeServer.Net.Wrappers.NetWrapper.PacketInterceptor(byte packetId, uint binaryAddress, nint payload, uint payloadSize, bool hasPing, uint ping)    Unknown