[From string (line 3) ]                                                                                                                       
                                                                                                                                              
@startuml                                                                                                                                     
usecase/ UC1 as "You can use                                                                                                                  
several lines to define your usecase."                                                                                                        
^^^^^                                                                                                                                         
 You should send a mail to plantuml@gmail.com or post to http://plantuml.com/qa with this log (V1.2022.6beta1) java.lang.IllegalStateException