Thingworx8.1 installation error with tomcat

I'm trying to install TWX8.1 accoring to manual

The tomcat service dosen't work.

when I am in the step of '$ sudo systemctl enable tomcat.service', it has an error message : 'badmessage'

'tomcat.service' has

  [Unit]
  Description=Apache Tomcat Web Application Container
  After=network.target
  
  [Service]
  Type=forking
  PIDFile=/var/run/tomcat.pid
  Environment=CATALINA_PID=/var/run/tomcat.pid
  Environment=JAVA_HOME=/usr/lib/jvm/jdk1.8.0_131
  Environment=CATALINA_HOME=/usr/share/tomcat8.5/8.5.13
  Environment=CATALINA_BASE=/usr/share/tomcat8.5/8.5.13
  Environment=CATALINA_OPTS=
  
  ExecStart=/usr/share/tomcat8.5/8.5.13/bin/jsvc \
                              -Dcatalina.home=${CATALINA_HOME} \
                              -Dcatalina.base=${CATALINA_BASE} \
                              -Djava.awt.headless=true -
Djava.net.preferIPv4Stack=true -Dserver -Dd64 -XX:+UseNUMA \
                              -XX:+UseConcMarkSweepGC -Dfile.encoding=UTF-8 \
                              -
Djava.library.path=${CATALINA_BASE}/webapps/Thingworx/WEB-INF/extensions \
                              -cp ${CATALINA_HOME}/bin/commons-
daemon.jar:${CATALINA_HOME}/bin/bootstrap.jar:${CATALINA_HOME}/bin/tomcat-
juli.jar \
                              -user tomcat8.5 \
                              -java-home ${JAVA_HOME} \
                              -pidfile /var/run/tomcat.pid \
                              -errfile ${CATALINA_HOME}/logs/catalina.out \
                              -outfile ${CATALINA_HOME}/logs/catalina.out \
                              $CATALINA_OPTS \
                              org.apache.catalina.startup.Bootstrap
 
  [Install]
  WantedBy=multi-user.target

and status of tomcat get a message with "Trailing garbage, ignoring." in line

'ExecStart=/usr/share/tomcat8.5/8.5.13/bin/jsvc \'