Hello, I probably stop APPIAN in a wrong way because i have errors w

Hello,
I probably stop APPIAN in a wrong way because i have errors with process-exec when i try to start.
when i run the checkengine script i have this message for each Process-Exec " Unable to contact server:parse":

## Process-Exec01 ## (2014-11-05 16:53:43 GMT) ## Process-Exec01 ##
Application Issues (Process-Exec01)
_Severity_ _Details_
FATAL! No gateway is active.
Gateway Issues (Process-Exec01)
_GW_ _Severity_ _Details_
1 N/A Unable to communicate with the server
Gateway Details (Process-Exec01):
_GW_ _Host_ _Port_ _Resp_ _Trans_ _Conn_ _Online_ _Size_
1 localhost 5028 Unable to contact server:parse

And at the final :
Process-Exec00 0/1 * FATAL! No gateway is active.
Process-Exec01 0/1 * FATAL! No gateway is active.
Process-Exe...

OriginalPostID-128053

OriginalPostID-128053