[From string (line 34) ]     
                             
@startuml                    
<style>                      
ganttDiagram {               
	task {                      
		FontName Helvetica         
		FontColor red              
		FontSize 18                
		FontStyle bold             
		BackGroundColor GreenYellow
		LineColor blue             
	}                           
	milestone {                 
		FontColor blue             
		FontSize 25                
		FontStyle italic           
		BackGroundColor yellow     
		LineColor red              
	}                           
	note {                      
		FontColor DarkGreen        
		FontSize 10                
		LineColor OrangeRed        
	}                           
	arrow {                     
		FontName Helvetica         
		FontColor red              
		FontSize 18                
		FontStyle bold             
		BackGroundColor GreenYellow
		LineColor blue             
	}                           
}                            
</style>                     
[Task1] lasts 20 days        
^^^^^                        
 Syntax Error?