[From string (line 9) ]                        
                                               
@startuml                                      
<style>                                        
ganttDiagram {                                 
  document {                                   
  backgroundColor transparent                  
  }                                            
}                                              
</style>                                       
Project starts 2020-07-01                      
^^^^^                                          
 Syntax Error? (Assumed diagram type: sequence)