"acmetool want" not working

[jotauses]

When I type:
sudo acmetool want example.com www.example.com --xlog.severity=debug

I get the next error:
6 [] false false map[] 0xc4201dc960 0xc4200ba210} <nil> 20180914213430 [DEBUG] acme.storageops: trying to obtain authorization for "example.com" 20180914213430 [DEBUG] acme.api: request: https://acme-v01.api.letsencrypt.org/acme/new-authz 20180914213430 [DEBUG] acme.api: response: &{201 Created 201 HTTP/1.1 1 1 map[Replay-Nonce:[fdD5hL1nU0z_wtPMApXqNTxfzRcZjaaADXtcLSFr84w] X-Frame-Options:[DENY] Content-Length:[995] Boulder-Requester:[42094492] Cache-Control:[max-age=0, no-cache, no-store] Pragma:[no-cache] Server:[nginx] Strict-Transport-Security:[max-age=604800] Link:[<https://acme-v01.api.letsencrypt.org/acme/new-cert>;rel="next"] Location:[https://acme-v01.api.letsencrypt.org/acme/authz/MaVMhaFdImJI9B0jkYjvNylI2YD7dz41DtzBdRTYqGc] Date:[Fri, 14 Sep 2018 19:34:30 GMT] Connection:[keep-alive] Content-Type:[application/json] Expires:[Fri, 14 Sep 2018 19:34:30 GMT]] 0xc4202fd7c0 995 [] false false map[] 0xc4201ddb30 0xc4200ba210} <nil> 20180914213430 [DEBUG] acme.solver: attempting challenge type http-01 20180914213430 [DEBUG] acme.responder: failed to listen on [::]:80: listen tcp [::]:80: bind: address already in use 20180914213430 [DEBUG] acme.responder: failed to listen on :80: listen tcp :80: bind: address already in use 20180914213430 [DEBUG] acme.responder: listening on [::1]:402 20180914213430 [DEBUG] acme.responder: listening on 127.0.0.1:402 20180914213430 [DEBUG] acme.responder: listening on [::1]:4402 20180914213430 [DEBUG] acme.responder: listening on 127.0.0.1:4402 20180914213430 [DEBUG] acme.responder: writing 2 webroot challenge files 20180914213430 [DEBUG] acme.responder: writing webroot file /var/www/.well-known/acme-challenge/O4UtsZG7cgqIy_HKq2Uz-nlwQwOOvjta-G2GosOTQ5Y 20180914213430 [DEBUG] acme.responder: writing webroot file /var/run/acme/acme-challenge/O4UtsZG7cgqIy_HKq2Uz-nlwQwOOvjta-G2GosOTQ5Y 20180914213430 [DEBUG] acme.hooks: calling hook script: /etc/acme/hooks/haproxy 20180914213430 [DEBUG] acme.hooks: calling hook script: /etc/acme/hooks/reload 20180914213430 [DEBUG] acme.responder: http-01 self test 20180914213430 [INFO] acme.responder: http-01 self test failed: Get https://example.com/.well-known/acme-challenge/O4UtsZG7cgqIy_HKq2Uz-nlwQwOOvjta-G2GosOTQ5Y: remote error: tls: internal error 20180914213430 [DEBUG] acme.responder: removing webroot file /var/www/.well-known/acme-challenge/O4UtsZG7cgqIy_HKq2Uz-nlwQwOOvjta-G2GosOTQ5Y 20180914213430 [DEBUG] acme.responder: removing webroot file /var/run/acme/acme-challenge/O4UtsZG7cgqIy_HKq2Uz-nlwQwOOvjta-G2GosOTQ5Y 20180914213430 [DEBUG] acme.hooks: calling hook script: /etc/acme/hooks/haproxy 20180914213430 [DEBUG] acme.hooks: calling hook script: /etc/acme/hooks/reload 20180914213430 [DEBUG] acme.solver: challenge start failed: Get https://example.com/.well-known/acme-challenge/O4UtsZG7cgqIy_HKq2Uz-nlwQwOOvjta-G2GosOTQ5Y: remote error: tls: internal error 20180914213430 [DEBUG] acme.solver: attempting challenge type dns-01 20180914213430 [DEBUG] acme.hooks: calling hook script: /etc/acme/hooks/haproxy 20180914213430 [DEBUG] acme.hooks: calling hook script: /etc/acme/hooks/reload 20180914213430 [DEBUG] acme.solver: challenge start failed: could not install DNS challenge, no hooks succeeded 20180914213430 [ERROR] acme.storageops: could not obtain authorization for example.com: failed all combinations 20180914213430 [ERROR] acme.storageops: Target(example.com,www.example.com;https://acme-v01.api.letsencrypt.org/directory;0): failed to request certificate: failed all combinations 20180914213430 [DEBUG] acme.storageops: done processing targets, reconciliation complete, 1 errors occurred 20180914213430 [ERROR] acme.storageops: error while processing targets: the following errors occurred: error satisfying Target(example.com,www.example.com;https://acme-v01.api.letsencrypt.org/directory;0): failed all combinations 20180914213430 [ERROR] acme.storageops: failed to reconcile: the following errors occurred: error satisfying Target(example.com,www.example.com;https://acme-v01.api.letsencrypt.org/directory;0): failed all combinations 20180914213430 [DEBUG] acme.storageops: disjoint hostname mapping: example.com -> Target(example.com,www.example.com;https://acme-v01.api.letsencrypt.org/directory;0) 20180914213430 [DEBUG] acme.storageops: disjoint hostname mapping: www.example.com -> Target(example.com,www.example.com;https://acme-v01.api.letsencrypt.org/directory;0) 20180914213430 [DEBUG] acme.storageops: could not find certificate satisfying Target(example.com,www.example.com;https://acme-v01.api.letsencrypt.org/directory;0): Target(example.com,www.example.com;https://acme-v01.api.letsencrypt.org/directory;0): no certificate satisfies this target 20180914213430 [DEBUG] acme.storageops: could not find certificate satisfying Target(example.com,www.example.com;https://acme-v01.api.letsencrypt.org/directory;0): Target(example.com,www.example.com;https://acme-v01.api.letsencrypt.org/directory;0): no certificate satisfies this target 20180914213430 [CRITICAL] acmetool: fatal: reconcile: the following errors occurred: error satisfying Target(example.com,www.example.com;https://acme-v01.api.letsencrypt.org/directory;0): failed all combinations root@vmi203168:~# clear root@vmi203168:~# acmetool want example.com www.example.com --xlog.severity=debug 20180914213451 [DEBUG] acme.storageops: Target(example.com,www.example.com;https://acme-v01.api.letsencrypt.org/directory;0): best certificate satisfying is <nil>, err=Target(example.com,www.example.com;https://acme-v01.api.letsencrypt.org/directory;0): no certificate satisfies this target 20180914213451 [DEBUG] acme.storageops: Target(example.com,www.example.com;https://acme-v01.api.letsencrypt.org/directory;0): requesting certificate 20180914213451 [DEBUG] acme.api: request: https://acme-v01.api.letsencrypt.org/directory 20180914213451 [DEBUG] acme.api: response: &{200 OK 200 HTTP/1.1 1 1 map[Content-Type:[application/json] X-Frame-Options:[DENY] Strict-Transport-Security:[max-age=604800] Expires:[Fri, 14 Sep 2018 19:34:51 GMT] Pragma:[no-cache] Server:[nginx] Content-Length:[658] Replay-Nonce:[qWfok2XgVTUmcm6-g75qsxyHMx5_T_Zv91BPW6RP5pA] Cache-Control:[max-age=0, no-cache, no-store] Date:[Fri, 14 Sep 2018 19:34:51 GMT] Connection:[keep-alive]] 0xc420336040 658 [] false false map[] 0xc42015ce10 0xc4201e2840} <nil> 20180914213451 [DEBUG] acme.api: request: https://acme-v01.api.letsencrypt.org/acme/new-reg 20180914213451 [DEBUG] acme.api: response: &{409 Conflict 409 HTTP/1.1 1 1 map[Replay-Nonce:[OQR8V0ZVnm332DIlD3l1sTg-yGlYuaR8Ze7IBfvBixg] Expires:[Fri, 14 Sep 2018 19:34:51 GMT] Cache-Control:[max-age=0, no-cache, no-store] Pragma:[no-cache] Date:[Fri, 14 Sep 2018 19:34:51 GMT] Content-Type:[application/problem+json] Content-Length:[107] Boulder-Requester:[42094492] Location:[https://acme-v01.api.letsencrypt.org/acme/reg/42094492] Server:[nginx]] 0xc42037c180 107 [] true false map[] 0xc4201da5a0 0xc4201e2840} <nil> 20180914213451 [DEBUG] acme.api: request: https://acme-v01.api.letsencrypt.org/acme/reg/42094492 20180914213452 [DEBUG] acme.api: response: &{202 Accepted 202 HTTP/1.1 1 1 map[Content-Type:[application/json] Replay-Nonce:[F7fEdUCwFiMpPmcjRcM2IOE9cGKnCfErxWIFscKJKR4] Expires:[Fri, 14 Sep 2018 19:34:52 GMT] Cache-Control:[max-age=0, no-cache, no-store] Date:[Fri, 14 Sep 2018 19:34:52 GMT] Connection:[keep-alive] Server:[nginx] Boulder-Requester:[42094492] Link:[<https://acme-v01.api.letsencrypt.org/acme/new-authz>;rel="next" <https://letsencrypt.org/documents/LE-SA-v1.2-November-15-2017.pdf>;rel="terms-of-service"] Pragma:[no-cache] Content-Length:[666]] 0xc42037c640 666 [] false false map[] 0xc420186690 0xc42035af20} <nil> 20180914213452 [DEBUG] acme.storageops: trying to obtain authorization for "example.com" 20180914213452 [DEBUG] acme.api: request: https://acme-v01.api.letsencrypt.org/acme/new-authz 20180914213452 [DEBUG] acme.api: response: &{201 Created 201 HTTP/1.1 1 1 map[Content-Length:[995] Replay-Nonce:[L1aNeD7NIY09Hyy-QumFTEae2UckloUeBSHcG9A1M-8] Expires:[Fri, 14 Sep 2018 19:34:52 GMT] Date:[Fri, 14 Sep 2018 19:34:52 GMT] Connection:[keep-alive] Location:[https://acme-v01.api.letsencrypt.org/acme/authz/MaVMhaFdImJI9B0jkYjvNylI2YD7dz41DtzBdRTYqGc] X-Frame-Options:[DENY] Strict-Transport-Security:[max-age=604800] Link:[<https://acme-v01.api.letsencrypt.org/acme/new-cert>;rel="next"] Cache-Control:[max-age=0, no-cache, no-store] Pragma:[no-cache] Server:[nginx] Content-Type:[application/json] Boulder-Requester:[42094492]] 0xc420337a80 995 [] false false map[] 0xc420187860 0xc42035af20} <nil> 20180914213452 [DEBUG] acme.solver: attempting challenge type http-01 20180914213452 [DEBUG] acme.responder: failed to listen on [::]:80: listen tcp [::]:80: bind: address already in use 20180914213452 [DEBUG] acme.responder: failed to listen on :80: listen tcp :80: bind: address already in use 20180914213452 [DEBUG] acme.responder: listening on [::1]:402 20180914213452 [DEBUG] acme.responder: listening on 127.0.0.1:402 20180914213452 [DEBUG] acme.responder: listening on [::1]:4402 20180914213452 [DEBUG] acme.responder: listening on 127.0.0.1:4402 20180914213452 [DEBUG] acme.responder: writing 2 webroot challenge files 20180914213452 [DEBUG] acme.responder: writing webroot file /var/www/.well-known/acme-challenge/O4UtsZG7cgqIy_HKq2Uz-nlwQwOOvjta-G2GosOTQ5Y 20180914213452 [DEBUG] acme.responder: writing webroot file /var/run/acme/acme-challenge/O4UtsZG7cgqIy_HKq2Uz-nlwQwOOvjta-G2GosOTQ5Y 20180914213452 [DEBUG] acme.hooks: calling hook script: /etc/acme/hooks/haproxy 20180914213452 [DEBUG] acme.hooks: calling hook script: /etc/acme/hooks/reload 20180914213452 [DEBUG] acme.responder: http-01 self test 20180914213452 [INFO] acme.responder: http-01 self test failed: Get https://example.com/.well-known/acme-challenge/O4UtsZG7cgqIy_HKq2Uz-nlwQwOOvjta-G2GosOTQ5Y: remote error: tls: internal error 20180914213452 [DEBUG] acme.responder: removing webroot file /var/www/.well-known/acme-challenge/O4UtsZG7cgqIy_HKq2Uz-nlwQwOOvjta-G2GosOTQ5Y 20180914213452 [DEBUG] acme.responder: removing webroot file /var/run/acme/acme-challenge/O4UtsZG7cgqIy_HKq2Uz-nlwQwOOvjta-G2GosOTQ5Y 20180914213452 [DEBUG] acme.hooks: calling hook script: /etc/acme/hooks/haproxy 20180914213452 [DEBUG] acme.hooks: calling hook script: /etc/acme/hooks/reload 20180914213452 [DEBUG] acme.solver: challenge start failed: Get https://example.com/.well-known/acme-challenge/O4UtsZG7cgqIy_HKq2Uz-nlwQwOOvjta-G2GosOTQ5Y: remote error: tls: internal error 20180914213452 [DEBUG] acme.solver: attempting challenge type dns-01 20180914213452 [DEBUG] acme.hooks: calling hook script: /etc/acme/hooks/haproxy 20180914213452 [DEBUG] acme.hooks: calling hook script: /etc/acme/hooks/reload 20180914213452 [DEBUG] acme.solver: challenge start failed: could not install DNS challenge, no hooks succeeded 20180914213452 [ERROR] acme.storageops: could not obtain authorization for example.com: failed all combinations 20180914213452 [ERROR] acme.storageops: Target(example.com,www.example.com;https://acme-v01.api.letsencrypt.org/directory;0): failed to request certificate: failed all combinations 20180914213452 [DEBUG] acme.storageops: done processing targets, reconciliation complete, 1 errors occurred 20180914213452 [ERROR] acme.storageops: error while processing targets: the following errors occurred: error satisfying Target(example.com,www.example.com;https://acme-v01.api.letsencrypt.org/directory;0): failed all combinations 20180914213452 [ERROR] acme.storageops: failed to reconcile: the following errors occurred: error satisfying Target(example.com,www.example.com;https://acme-v01.api.letsencrypt.org/directory;0): failed all combinations 20180914213452 [DEBUG] acme.storageops: disjoint hostname mapping: example.com -> Target(example.com,www.example.com;https://acme-v01.api.letsencrypt.org/directory;0) 20180914213452 [DEBUG] acme.storageops: disjoint hostname mapping: www.example.com -> Target(example.com,www.example.com;https://acme-v01.api.letsencrypt.org/directory;0) 20180914213452 [DEBUG] acme.storageops: could not find certificate satisfying Target(example.com,www.example.com;https://acme-v01.api.letsencrypt.org/directory;0): Target(example.com,www.example.com;https://acme-v01.api.letsencrypt.org/directory;0): no certificate satisfies this target 20180914213452 [DEBUG] acme.storageops: could not find certificate satisfying Target(example.com,www.example.com;https://acme-v01.api.letsencrypt.org/directory;0): Target(example.com,www.example.com;https://acme-v01.api.letsencrypt.org/directory;0): no certificate satisfies this target 20180914213452 [CRITICAL] acmetool: fatal: reconcile: the following errors occurred: error satisfying Target(example.com,www.example.com;https://acme-v01.api.letsencrypt.org/directory;0): failed all combinations

I can't generate the certs...

PD: I sanitized the output "example.com"