wireguard doesnt allow hyphens

(crld) trez@stovokor:~/kau/crl main ✗ $ docker logs 956514017a04                                                                   
[migrations] started                                                                                                               
[migrations] no migrations found                                                                                                   
───────────────────────────────────────                                                                                            
                                                                                                                                   
      ██╗     ███████╗██╗ ██████╗                                                                                                  
      ██║     ██╔════╝██║██╔═══██╗                                                                                                 
      ██║     ███████╗██║██║   ██║                                                                                                 
      ██║     ╚════██║██║██║   ██║                                                                                                 
      ███████╗███████║██║╚██████╔╝                                                                                                 
      ╚══════╝╚══════╝╚═╝ ╚═════╝                                                                                                  
                                                                                                                                   
   Brought to you by linuxserver.io                                                                                                
───────────────────────────────────────                                                                                            
                                                                                                                                   
To support the app dev(s) visit:                                                                                                   
WireGuard: https://www.wireguard.com/donations/                                                                                    
                                                                                                                                   
To support LSIO projects visit:                                                                                                    
https://www.linuxserver.io/donate/                                                                                                 
                                                                                                                                   
───────────────────────────────────────                                                                                            
GID/UID                                                                                                                            
───────────────────────────────────────                                                                                            
                                                                                                                                   
User UID:    0                                                                                                                     
User GID:    0                                                                                                                     
───────────────────────────────────────                                                                                            
Linuxserver.io version: 1.0.20210914-r4-ls37                                                                                       
Build-date: 2024-05-25T16:14:15+00:00                                                                                              
───────────────────────────────────────                                                                                            
                                                                                                                                   
Uname info: Linux wireguard 6.5.0-35-generic #35~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Tue May  7 09:00:52 UTC 2 x86_64 GNU/Linux     
**** It seems the wireguard module is already active. Skipping kernel header install and module compilation. ****                  
**** Server mode is selected ****                                                                                                  
**** PersistentKeepalive will be set for: all ****                                                                                 
**** External server address is set to localhost ****                                                                              
**** External server port is set to 44841. Make sure that port is properly forwarded to port 51820 inside this container ****      
**** Internal subnet is set to 10.13.13.0 ****                                                                                     
**** AllowedIPs for peers 10.0.0.0/16 ****                                                                                         
**** PEERDNS var is either not set or is set to "auto", setting peer DNS to 10.13.13.1 to use wireguard docker host's DNS. ****    
**** No wg0.conf found (maybe an initial install), generating 1 server and b-e-p-a peer/client confs ****                          
**** Peer b-e-p-a contains non-alphanumeric characters and thus will be skipped. No config for peer b-e-p-a will be generated. ****