The script to stop sonar does not work on linux

from the mailing-list :

the kill prg doesn't work.
"./bin/sonar.sh stop" remove pid file without kill any process

Error is:
Stopping sonar...
ERROR: Format specification must follow -o.

• • • • • • • • • simple selection ********* ********* selection by list *********
                  -A all processes -C by command name
                  -N negate selection -G by real group ID (supports names)
                  -a all w/ tty except session leaders -U by real user ID (supports names)
                  -d all except session leaders -g by session OR by effective group name
                  -e all processes -p by process ID
                  T all processes on this terminal -s processes in the sessions given
                  a all w/ tty, including other users -t by tty
                  g OBSOLETE – DO NOT USE -u by effective user ID (supports names)
                  r only running processes U processes for specified users
                  x processes w/o controlling ttys t by tty
                  • • output format ********** *********** long options ***********
                      -o,o user-defined -f full --Group --User --pid --cols --ppid
                      -j,j job control s signal --group --user --sid --rows --info
                      -O,O preloaded -o v virtual memory --cumulative --format --deselect
                      -l,l long u user-oriented --sort --tty --forest --version
                      -F extra full X registers --heading --no-heading --context
                • misc options *********
                  -V,V show version L list format codes f ASCII art forest
                  -m,m,-L,-T,H threads S children in sum -y change -l format
                  -M,Z security data c true command name -c scheduling class
                  -w,w wide output n numeric WCHAN,UID -H process hierarchy
                  Removed stale pid file: /export/home/frtdevrep/maven/sonar/bin/./sonar.pid
                  sonar was not running.