TID: Mystic BBS 1.12 A47   
   MSGID: 1:129/215 9031c722   
   REPLY: 4:801/188 60a27cee   
   TZUTC: -0400   
    FB> “Unable to open IPV4 port: Error -1 (13)”   
      
   I can't really tell based on what I am seeing here how to resolve your   
   problem, but a quick google shows error 13 is permission denied.   
   --- Mystic BBS v1.12 A47 2021/05/17 (Windows/64)   
    * Origin: Sector 7 | Mystic WHQ (1:129/215)   
   SEEN-BY: 1/123 30/0 80/1 90/1 105/81 120/340 457 616 123/10 131 129/215   
   SEEN-BY: 129/305 154/10 30 40 50 700 203/0 218/700 220/80 90 221/6   
   SEEN-BY: 226/30 227/114 201 702 229/101 310 424 426 452 550 664 700   
   SEEN-BY: 229/720 981 1016 1017 240/1120 5832 249/206 307 317 400 261/38   
   SEEN-BY: 280/464 282/1038 292/854 301/0 1 101 113 317/3 322/757 341/66   
   SEEN-BY: 342/200 633/280 712/848 770/1 3634/12 5020/1042 5058/104   
   PATH: 129/215 154/10 301/1 229/426