Fatal error in default trace
we have found one fatal error in default traces of XI system. Error states as
Unable to log on to system PEU in language en with user PIRWBUSER
MESSAGE ID: com.sap.aii.rwb.core.rb_core.wrongUserPassword
com.sap.aii.rwb.exceptions.OperationFailedException: Unable to log on to system PEU in language en with user PIRWBUSER.
Here PEU is an R/3 system.
Could you please help me in finding the root cause for the above error.