ORA-07217: sltln: environment variable cannot be evaluated.

hi team
when try to login my sqlplus i get this error
and i suspect it environment variable
how do i set environment in hp-ux 11

The easiest way to set the environment is using "oraenv" which uses details in the oratab file.
e.g
. oraenv
ORACLE_SID = [mydb] ? mydb
The Oracle base for ORACLE_HOME=/opt/oracle/product/10.2.0/db_2 is /opt/oracle/product
$ echo $ORACLE_HOME
/opt/oracle/product/10.2.0/db_2
$ echo $ORACLE_SID
mydb
$ echo $PATH
/usr/local/bin:.:/usr/bin:/etc:/usr/sbin:/usr/ucb:/usr/bin/X11:/sbin:.:/opt/freeware:/opt/oracle/product/10.2.0/agent10g_ddc/agent10g/jdk/bin:/opt/oracle/product/10.2.0/db_2/bin:/opt/oracle/product/10.2.0/db_2/OPatch

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    Thanks
    Bob

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