DEADLOCK DETECTED ( ORA-00060 )

Hi ALL

I see the following in my alert.log , how do I resolve this

*** MODULE NAME:(e:PER:fwk:per.selfservice.absence.server.Absence) 2013-01-09 09:02:16.535
*** ACTION NAME:(PER/MEDS_HR_SV_DIRECT_ACCESS) 2013-01-09 09:02:16.535

*** 2013-01-09 09:02:16.535
DEADLOCK DETECTED ( ORA-00060 )

[Transaction Deadlock]

The following deadlock is not an ORACLE error. It is a
deadlock due to user error in the design of an application
or from issuing incorrect ad-hoc SQL. The following
information may aid in determining the deadlock:

Please advise on how do I resolve this