service www-ssl invalid

RouterOS General
1

RB3011 v6.37.5
Service www-ssl, after enable>disable>enable changed the status ‘invalid’, what is the reason?

/ip service print
Flags: X - disabled, I - invalid

NAME PORT ADDRESS CERTIFICATE

0 XI telnet 23
1 ftp 21
2 XI www 80
3 ssh 22
4 I www-ssl 443 certificate.crt_0


2

probably sstp https://wiki.mikrotik.com/wiki/Manual:Interface/SSTP activated, listen on 443 and does not allow www-ssl to bind

3

Solved the problem. Thanks!