Please help Turn Server Centos 8 vps

If I use the “Test this server” button then it does not check.
it says “No ICE Candidate”
Please help
27: : session 000000000000000002: realm <my.domain.cloud> user <>: incoming packet message processed, error 401: Unauthorized
27: : IPv4. Local relay addr: x.x.x.x:61706
27: : session 000000000000000002: new, realm=<my.domain.cloud>, username=<1621696260:turn-test-user>, lifetime=3600
27: : session 000000000000000002: realm <my.domain.cloud> user <1621696260:turn-test-user>: incoming packet ALLOCATE processed, success
35: : session 000000000000000002: refreshed, realm=<my.domain.cloud>, username=<1621696260:turn-test-user>, lifetime=0
35: : session 000000000000000002: realm <my.domain.cloud> user <1621696260:turn-test-user>: incoming packet REFRESH processed, success
35: : session 000000000000000002: TCP socket closed remotely y.y.y.y:10980
35: : session 000000000000000002: usage: realm=<my.domain.cloud>, username=<1621696260:turn-test-user>, rp=3, rb=332, sp=3, sb=324
35: : session 000000000000000002: peer usage: realm=<my.domain.cloud>, username=<1621696260:turn-test-user>, rp=0, rb=0, sp=0, sb=0
35: : session 000000000000000002: closed (2nd stage), user <1621696260:turn-test-user> realm <my.domain.cloud> origin <>, local x.x.x.x:3478, remote y.y.y.y:10980, reason: TCP connection closed by client (callback)
35: : session 000000000000000002: delete: realm=<my.domain.cloud>, username=<1621696260:turn-test-user>

Hi, please check if it is this issue: TURN "Test this server" always results in "Error: No working ICE candidates returned by the TURN server" · Issue #5563 · nextcloud/spreed · GitHub

It is.
Yet what is the solution?
No solution provided.