DrupalVM error

vagrant@drupalvm:/var/www/drupalvm/drupal/web/sites$ apache2 -t
[Tue Dec 04 06:05:44.695289 2018] [core:warn] [pid 12410] AH00111: Config variable ${APACHE_LOCK_DIR} is not defined
[Tue Dec 04 06:05:44.695870 2018] [core:warn] [pid 12410] AH00111: Config variable ${APACHE_PID_FILE} is not defined
[Tue Dec 04 06:05:44.696349 2018] [core:warn] [pid 12410] AH00111: Config variable ${APACHE_RUN_USER} is not defined
[Tue Dec 04 06:05:44.696636 2018] [core:warn] [pid 12410] AH00111: Config variable ${APACHE_RUN_GROUP} is not defined
[Tue Dec 04 06:05:44.697012 2018] [core:warn] [pid 12410] AH00111: Config variable ${APACHE_LOG_DIR} is not defined
[Tue Dec 04 06:05:44.712536 2018] [core:warn] [pid 12410:tid 139739474769792] AH00111: Config variable ${APACHE_LOG_DIR} is not defined
AH00526: Syntax error on line 74 of /etc/apache2/apache2.conf:
Invalid Mutex directory in argument file:${APACHE_LOCK_DIR}