Issue in tmadmin command in Linux

Hi ,

I am trying to execute the below command, i got error msg..

Please advice me how to solve this

[Command-Line-Promote>tmadmin
tmadmin - Copyright (c) 1996-2010 Oracle.
Portions * Copyright 1986-1997 RSA Data Security, Inc.
All Rights Reserved.
Distributed under license by Oracle.
Tuxedo is a registered trademark.
TMADMIN_CAT:199: WARN: Cannot become administrator.Limited set of commands available.

> psr
TMADMIN_CAT:116: ERROR: Memory allocation failure.

>

See, When i raised psr cmd., then i got error like above ,

Please help on this

THanks
Mani