Problem with Plugin

plugin textureMap DynamicWave
name:"Dynamic Wave"
classID:#(0x15d16131, 0x7020f847)
extends:Gradient_Ramp
replaceUI:true
(
parameters main rollout:params
(
 sl_ramp type:#float default:50.0 ui:sl_ramp
 sp_n_amount type:#float default:0.0 ui:sp_n_amount
 sp_n_size type:#float default:1.0 ui:sp_n_size
 sp_n_phase type:#float default:0.0 ui:sp_n_phase
 sp_n_level type:#float default:4.0 ui:sp_n_level
 rd_n_type type:#integer default:1 ui:rd_n_type
 sp_n_low  type:#float default:0.0 ui:sp_n_low
 sp_n_high  type:#float default:1.0 ui:sp_n_high
 sp_n_smooth  type:#float default:0.0 ui:sp_n_smooth
 
 
 on sl_ramp changed val do delegate.Gradient_Ramp.flag__3.position = val
 
 
 
 on sp_n_amount set val do delegate.amount = val
 on sp_n_size set val do delegate.size = val
 on sp_n_phase set val do delegate.phase = val
 on sp_n_level set val do delegate.Levels = val
 on sp_n_low set val do delegate.Low_Threshold = val
 on sp_n_high set val do delegate.High_Threshold = val
 on sp_n_smooth set val do delegate.Threshold_Smoothing = val
 on rd_n_type changed state do
 (
	 case rd_n_type.state of
	 (
	 1: delegate.Noise_Type = 0
	 2: delegate.Noise_Type = 1
	 3: delegate.Noise_Type = 2
	 )
 )
 
)--end params
rollout params "Dynamic Wave Map Parameters" width:368 height:200
(
	groupBox grp_noise "Noise" pos:[8,48] width:310 height:80
 
	slider sl_ramp "" pos:[6,16] width:320 height:25 ticks:6 range:[0,100,50]
	spinner sp_n_amount "Amount:" pos:[55,72] width:72 height:16 range:[0.0,100,0.0] fieldwidth:50
	radioButtons rd_n_type "" pos:[146,72] width:100 height:16 labels:#("Reg", "Frac", "Turb") default:1 columns:3 
	spinner sp_n_size "Size:" pos:[10,104] width:88 height:16 range:[0.1,100,0.5] fieldwidth:40
	spinner sp_n_phase "Phase:" pos:[122,104] width:80 height:16 range:[0,100,0] fieldwidth:40 
	spinner sp_n_level "Levels:" pos:[200,104] width:104 height:16 range:[0,100,1] fieldwidth:40
 
	groupBox grp_n_thres "Noise Threshold" pos:[8,136] width:310 height:56
 
	spinner sp_n_low "Low:" pos:[18,160] width:80 height:16 range:[0.0,100,1.0] fieldwidth:40 
	spinner sp_n_high "High:" pos:[122,160] width:80 height:16 range:[0.0,100,1.0] fieldwidth:40 
	spinner sp_n_smooth "Smooth:" pos:[224,160] width:80 height:16 range:[0.0,100,0.0] fieldwidth:40 
)
 
on create do
(
	 delegate.coordinates.mappingType = 0
	 delegate.coordinates.mapping  = 0
)
)--end plugin

on sl_ramp changed val do delegate.Gradient_Ramp.flag__3.position = val

delegate.gradient_ramp.flag__1.color = black