diff --git a/zm_ai_pack/clientscripts/mp/zombies/_zm_ai_ghost.csc b/zm_ai_pack/clientscripts/mp/zombies/_zm_ai_ghost.csc
index 2645e62..462b1a3 100644
--- a/zm_ai_pack/clientscripts/mp/zombies/_zm_ai_ghost.csc
+++ b/zm_ai_pack/clientscripts/mp/zombies/_zm_ai_ghost.csc
@@ -12,6 +12,10 @@ precache()
 
 init_animtree()
 {
+	if ( getDvar( "mapname" ) != "zm_buried" )
+	{
+		wait 0.1;
+	}
 	scriptmodelsuseanimtree( #animtree );
 }
 
@@ -38,6 +42,7 @@ main()
 {
 	precache_fx();
 	register_client_fields();
+	level thread init_animtree();
 }
 
 register_client_fields()
diff --git a/zm_ai_pack/clientscripts/mp/zombies/_zm_ai_mechz.csc b/zm_ai_pack/clientscripts/mp/zombies/_zm_ai_mechz.csc
index 7877657..ad087a8 100644
--- a/zm_ai_pack/clientscripts/mp/zombies/_zm_ai_mechz.csc
+++ b/zm_ai_pack/clientscripts/mp/zombies/_zm_ai_mechz.csc
@@ -15,6 +15,7 @@ precache()
 
 init_animtree()
 {
+	wait 0.05;
 	scriptmodelsuseanimtree( #animtree );
 }
 
@@ -80,7 +81,7 @@ main()
 	registermechzfootstepcb( "zm_tomb_mech_zombie", ::mechzfootstepcbfunc );
 	level._effect["mech_footstep_steam"] = loadfx( "maps/zombie_tomb/fx_tomb_mech_foot_step_steam" );
 	level._effect["mech_exhaust_smoke"] = loadfx( "maps/zombie_tomb/fx_tomb_mech_exhaust_smoke" );
-	init_animtree();
+	level thread init_animtree();
 	scripts\zm\zm_ai_pack_mod_main::add_visionset_callback( ::register_burn_overlay );
 }
 
diff --git a/zm_ai_pack/maps/mp/zombies/_zm_ai_brutus.gsc b/zm_ai_pack/maps/mp/zombies/_zm_ai_brutus.gsc
index 0f1d0d9..d4844b5 100644
--- a/zm_ai_pack/maps/mp/zombies/_zm_ai_brutus.gsc
+++ b/zm_ai_pack/maps/mp/zombies/_zm_ai_brutus.gsc
@@ -2459,7 +2459,7 @@ brutus_lockdown_client_effects( delay )
 	}
 	else
 	{
-		set_clientfield_alt_allplayers( "actor", "brutus_lock_down", self, self.brutus_lockdown_state );
+		set_clientfield_alt_allplayers( "brutus_lock_down", self, self.brutus_lockdown_state );
 	}
 }
 
diff --git a/zm_ai_pack/maps/mp/zombies/_zm_ai_ghost.gsc b/zm_ai_pack/maps/mp/zombies/_zm_ai_ghost.gsc
index f2a60ef..3f83d81 100644
--- a/zm_ai_pack/maps/mp/zombies/_zm_ai_ghost.gsc
+++ b/zm_ai_pack/maps/mp/zombies/_zm_ai_ghost.gsc
@@ -23,6 +23,10 @@ precache()
 
 init_animtree()
 {
+	if ( getDvar( "mapname" ) != "zm_buried" )
+	{
+		wait 0.1;
+	}
 	scriptmodelsuseanimtree( #animtree );
 }
 
@@ -93,6 +97,7 @@ main()
 	else
 		level thread ghost_zone_spawning_think();
 
+	level thread init_animtree();
 	level thread ghost_vox_think();
 	init_time_bomb_ghost_rounds();
 /#
diff --git a/zm_ai_pack/maps/mp/zombies/_zm_ai_mechz.gsc b/zm_ai_pack/maps/mp/zombies/_zm_ai_mechz.gsc
index 1f3bcc1..4d2ee65 100644
--- a/zm_ai_pack/maps/mp/zombies/_zm_ai_mechz.gsc
+++ b/zm_ai_pack/maps/mp/zombies/_zm_ai_mechz.gsc
@@ -81,11 +81,18 @@ main()
 	level._effect["mechz_claw_arm"] = loadfx( "maps/zombie_tomb/fx_tomb_mech_wpn_source" );
 	level._effect["mech_booster_landing"] = loadfx( "maps/zombie_tomb/fx_tomb_mech_jump_landing" );
 	precache();
+	level thread init_animtree();
 	scripts\zm\zm_ai_pack_mod_main::add_visionset_callback( ::register_burn_overlay );
 }
 
 #using_animtree("mechz_claw");
 
+init_animtree()
+{
+	wait 0.05;
+	scriptmodelsuseanimtree( #animtree );
+}
+
 init()
 {
 	maps\mp\zombies\_zm_ai_mechz_ffotd::mechz_init_start();
@@ -169,7 +176,10 @@ init()
 	else
 		level thread mechz_spawning_logic();
 
-	scriptmodelsuseanimtree( #animtree );
+	if ( level.script != "zm_tomb" )
+	{
+		scriptmodelsuseanimtree( #animtree );
+	}
 /#
 	setup_devgui();
 #/
diff --git a/zm_ai_pack/maps/mp/zombies/_zm_ai_mechz_booster.gsc b/zm_ai_pack/maps/mp/zombies/_zm_ai_mechz_booster.gsc
index 6f24395..424682a 100644
--- a/zm_ai_pack/maps/mp/zombies/_zm_ai_mechz_booster.gsc
+++ b/zm_ai_pack/maps/mp/zombies/_zm_ai_mechz_booster.gsc
@@ -280,7 +280,7 @@ mechz_do_jump( wait_for_stationary_tank )
 	}
 	else
 	{
-		set_clientfield_alt_allplayers( "actor", "mechz_fx", self, self.fx_field );
+		set_clientfield_alt_allplayers( "mechz_fx", self, self.fx_field );
 	}
 	self thread maps\mp\zombies\_zm_spawner::zombie_eye_glow();
 
@@ -313,7 +313,7 @@ mechz_jump_cleanup()
 	}
 	else
 	{
-		set_clientfield_alt_allplayers( "actor", "mechz_fx", self, self.fx_field );
+		set_clientfield_alt_allplayers( "mechz_fx", self, self.fx_field );
 	}
 	self stopanimscripted();
 	self notify( "jump_complete" );
diff --git a/zm_ai_pack/maps/mp/zombies/_zm_ai_mechz_ft.gsc b/zm_ai_pack/maps/mp/zombies/_zm_ai_mechz_ft.gsc
index a552a95..0bfe74f 100644
--- a/zm_ai_pack/maps/mp/zombies/_zm_ai_mechz_ft.gsc
+++ b/zm_ai_pack/maps/mp/zombies/_zm_ai_mechz_ft.gsc
@@ -619,7 +619,7 @@ mechz_flamethrower_cleanup()
 	}
 	else
 	{
-		set_clientfield_alt_allplayers( "actor", "mechz_fx", self, self.fx_field );
+		set_clientfield_alt_allplayers( "mechz_fx", self, self.fx_field );
 	}
 	self.firing = 0;
 	self.doing_tank_sweep = 0;
diff --git a/zm_ai_pack/scripts/zm/clientfield_alt_sys.csc b/zm_ai_pack/scripts/zm/clientfield_alt_sys.csc
index 78b49ec..85defe5 100644
--- a/zm_ai_pack/scripts/zm/clientfield_alt_sys.csc
+++ b/zm_ai_pack/scripts/zm/clientfield_alt_sys.csc
@@ -1,5 +1,6 @@
 execute_clientfield_alt_callback_internal( data, last_data, field_type, field_name )
 {
+	entnum = data.entnum;
 	ent = undefined;
 	field_data = level.clientfield_alts[ field_type ][ field_name ];
 	ent = getEntByNum( 0, entnum );
diff --git a/zm_ai_pack/scripts/zm/clientfield_alt_sys.gsc b/zm_ai_pack/scripts/zm/clientfield_alt_sys.gsc
index a079bc5..76be85e 100644
--- a/zm_ai_pack/scripts/zm/clientfield_alt_sys.gsc
+++ b/zm_ai_pack/scripts/zm/clientfield_alt_sys.gsc
@@ -5,7 +5,7 @@ set_clientfield_alt_toplayer( field_name, ent, value )
 	self setClientDvar( field_name, entnum + " " + value );
 }
 
-set_clientfield_alt_allplayers(field_name, ent, value )
+set_clientfield_alt_allplayers( field_name, ent, value )
 {
 	foreach ( player in level.players )
 	{
diff --git a/zm_ai_pack/scripts/zm/zm_ai_pack_mod_main.gsc b/zm_ai_pack/scripts/zm/zm_ai_pack_mod_main.gsc
index 8b6db3b..44cd5ab 100644
--- a/zm_ai_pack/scripts/zm/zm_ai_pack_mod_main.gsc
+++ b/zm_ai_pack/scripts/zm/zm_ai_pack_mod_main.gsc
@@ -300,6 +300,7 @@ can_be_paralyzed_override( zombie )
 
 watch_crash_trigger_override()
 {
+	sloth_set_state_func = getFunction( "maps/mp/zombies/_zm_ai_sloth", "sloth_set_state" );
 	while ( true )
 	{
 		self waittill( "trigger", who );
@@ -307,7 +308,7 @@ watch_crash_trigger_override()
 		if ( isDefined( who ) && isDefined( level.sloth ) && who == level.sloth && who.state == "berserk" )
 		{
 			who setclientfield( "sloth_berserk", 0 );
-			who sloth_set_state( "crash", 0 );
+			who [[ sloth_set_state_func ]]( "crash", 0 );
 		}
 	}
 }
\ No newline at end of file