If you have turned on Logging in your Service Operations -> Routings, you can run these sql statements to get the Error details.
select * from psibloghdr where STATUSSTRING = 'ERROR' order by PUBLISHTIMESTAMP desc
select * from psiblogerr order by ERRORTIMESTAMP desc
select * from psiblogerrp order by ERRORTIMESTAMP desc
To see the explanation for message no., Run
select * from PSMSGCATDEFN where message_set_nbr = 158 and message_nbr = :1
You can see this information from online page
PeopleTools -> Integration Broker -> Service Operations Monitor -> Synchronous Services