Failed to execute adclone.pl

Failed to execute /u01/TEST/oracle/product/db/12.1.0.1/appsutil/clone/bin/adclone.pl

ERROR while running Apply...
Fri Jul 29 15:11:22 2017

 ERROR: Failed to execute /u01/TEST/oracle/product/db/12.1.0.1/appsutil/clone/bin/adclone.pl

 Please check logfile.

Solution
export PERL5LIB=$ORACLE_HOME/perl/lib/5.14.1:$ORACLE_HOME/perl/lib/site_perl/5.14.1:$ORACLE_HOME/appsutil/perl
and re-run Database techstack cloning

perl adcfgclone.pl dbTechStack /u01/TEST/oracle/product/db/12.1.0.1/appsutil/TEST_ebs121db1.xml