[From string (line 50) ]                        
                                                
@startuml                                       
actor "User" as U                               
rectangle "telegram-bot" as TGB                 
rectangle "discord-bot" as DCB                  
rectangle "website-bot" as WSB                  
...                                             
... ( skipping 25 lines )                       
...                                             
  }                                             
  package "Reminder" {                          
    rectangle "reminder-controller" as RC       
  }                                             
                                                
  package "Staff" {                             
    rectangle "staff-controller" as SC          
  }                                             
                                                
}                                               
                                                
U <-down-> TGB                                  
U <-down-> DCB                                  
U <-> WSB                                       
                                                
GW <-left-> TGB                                 
GW <-left-> DCB                                 
GW <-left-> WSB                                 
                                                
GW <-up>> TSSC                                  
^^^^^                                           
 Syntax Error? (Assumed diagram type: component)