Can’t locate ADX/util/Sysutil.pm in @INC

When  I am trying to change hostname for EBS environment,  I used below command to remove server, I am getting below issues

[oraprod@ebsprodcl appsutil]$ ls
bin html install java LEBPROD_ebsprodleb.xml log media out perl scripts sql temp template
[oraprod@ebsprodcl appsutil]$ perl ./bin/adgentns.pl appspass=hqa523AceGr0uP contextfile=/u01/app/oracle/db/tech_st/12c/appsutil/LEBPROD_ebsprodleb.xml -removeserver
Can’t locate ADX/util/Sysutil.pm in @INC (@INC contains: /u01/app/oracle/db/tech_st/12c/perl/lib/site_perl/5.14.1/x86_64-linux-thread-multi /u01/app/oracle/db/tech_st/12c/perl/lib/site_perl/5.14.1 /u01/app/oracle/db/tech_st/12c/perl/lib/5.14.1/x86_64-linux-thread-multi /u01/app/oracle/db/tech_st/12c/perl/lib/5.14.1 .) at ./bin/adgentns.pl line 82.
BEGIN failed–compilation aborted at ./bin/adgentns.pl line 82.

Solution :

Please check the perl path

& Environment also was set.

.bash_profile

PATH=$HOME/bin:/u01/app/oracle/db/tech_st/12c/perl/bin:$PATH
export PATH

. /u01/app/oracle/db/tech_st/12c/EBSPROD_ebsprodleb.env