I am adapting an old module to Odoo 13 that sends you an email notifying you that a license is about to expire, but this error has not let me sleep, I can't find how to solve it.



raise ValidationError(_('Invalid view %s definition in %s') % (view_name, view.arch_fs))
odoo.tools.convert.ParseError: "Invalid view tree.contacts.documents definition in cx_licenses_module/views/contacts_document_view.xml
None" while parsing /mnt/extra-addons/cx_licenses_module/views/contacts_document_view.xml:2, near

	
		tree.contacts.documents
		contacts.documents
		
			
				
                
                
                
                

			
		
	
    
        kanban.contacts.documents
        contacts.documents
        
            
                
                
                
                
                
                
                
                
                    
                        

                            

                                
                                    

                                        Expires on:
                                        Expired on:
                                        

                                        

                                            
                                            
                                        
                                    
                                    

                                        Expires on:
                                        

                                        

                                            
                                            
                                        
                                        after :  Days
                                    
                                
                                 
                                    

                                        Expires on:
                                        Expired on:
                                        

                                        

                                            
                                            
                                        
                                    
                                

                                

                                    

                                        

                                            
                                                
                                            
                                            

                                        
                                    
                                    

                                        

                                            
                                        
                                    
                                    

                                        

                                            

                                                
                                            
                                        
                                    
                                
                            
                        
					
                
            
        
    

    
		form.contacts.documents
		contacts.documents
		
			
				

                    
                    
                
                
                    
                    

                        

                            
                        
                        

                            
                        
                    
                    
                        
                            
                            
                        
                        
                            
                            
                        
                    
                
			
		
	

	
		Licencias de Clientes
		ir.actions.act_window
		contacts.documents
		tree,form,kanban,activity