InvalidOperationException: Cannot get player state without a SteamID
at BasePlayer.get_State () [0x0000d] in <75d9c20bc88e428cb87d067fc553d5c9>:0
at BasePlayer.IsHostile () [0x0001c] in <75d9c20bc88e428cb87d067fc553d5c9>:0
at BasePlayer.OnAttacked (HitInfo info) [0x0001f] in <75d9c20bc88e428cb87d067fc553d5c9>:0
at DamageUtil.RadiusDamage (BaseEntity attackingPlayer, BaseEntity weaponPrefab, UnityEngine.Vector3 pos, System.Single minradius, System.Single radius, System.Collections.Generic.List`1[T] damage, System.Int32 layers, System.Boolean useLineOfSight, System.Boolean ignoreAI, System.Boolean ignoreAttackingPlayer, System.Boolean extendedLineOfSight, System.Collections.Generic.List`1[T] playerDamage, System.Boolean removeWallpaper) [0x001d3] in <75d9c20bc88e428cb87d067fc553d5c9>:0
at TimedExplosive.Explode (UnityEngine.Vector3 explosionFxPos) [0x004c3] in <75d9c20bc88e428cb87d067fc553d5c9>:0
at TimedExplosive.Explode () [0x00007] in <75d9c20bc88e428cb87d067fc553d5c9>:0
at TimedExplosive.ProjectileImpact (UnityEngine.RaycastHit info, UnityEngine.Vector3 rayOrigin) [0x00012] in <75d9c20bc88e428cb87d067fc553d5c9>:0
at ServerProjectile.ProcessHit (UnityEngine.RaycastHit hitInfo, BaseEntity hitEnt, UnityEngine.Vector3 rayOrigin) [0x00047] in <75d9c20bc88e428cb87d067fc553d5c9>:0
at (wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.ServerProjectile.DoHitDetection_Patch3(ServerProjectile,UnityEngine.Vector3,single)
at ServerProjectile.DoMovement () [0x0004b] in <75d9c20bc88e428cb87d067fc553d5c9>:0
at ServerProjectile.FixedUpdate () [0x0001b] in <75d9c20bc88e428cb87d067fc553d5c9>:0

I get this lag spam when using C4 and Damage turned on in config, it almost lags out your server and needs a server restart to fix. Removing the plugin rectified the issue. Could be an issue with Remote Timed c4 and regular