[From string (line 19) ]     
                             
@startuml                    
<style>                      
ganttDiagram {               
	timeline {                  
		BackgroundColor Bisque     
		FontName Helvetica         
		FontSize 16                
		FontStyle bold             
		FontColor purple           
	}                           
	closed {                    
		BackgroundColor pink       
		FontColor red              
		FontStyle bold             
		FontName Serif             
	}                           
}                            
</style>                     
Project starts the 2020-12-01
^^^^^                        
 Syntax Error?