[From string (line 50) ]       
                               
@startuml                      
<style>                        
ganttDiagram {                 
	task {                        
		FontName Helvetica           
...                            
... ( skipping 25 lines )      
...                            
	    LineStyle 8.0;13.0        
	    LineThickness 3.0         
	}                             
	separator {                   
	    BackgroundColor lightGreen
	    LineStyle 8.0;3.0         
	    LineColor red             
	    LineThickness 1.0         
		FontSize 16                  
		FontStyle bold               
		FontColor purple             
		Margin 5                     
		Padding 20                   
	}                             
	timeline {                    
	    BackgroundColor Bisque    
	}                             
}                              
</style>                       
Project starts the 2020-12-01  
^^^^^                          
 Syntax Error?