RC-50013: Fatal: Instantiate driver did not complete successfully

Running  perl adcfgclone.pl  dbTier  on target , got below error

AutoConfig could not successfully execute the following scripts:

Directory: /database/oracle/db/tech_st/11.2.0/perl/bin/perl -I /database/oracle/db/tech_st/11.2.0/perl/lib/5.8.3 -I /database/oracle/db/tech_st/11.2.0/perl/lib/site_perl/5.8.3 -I /database/oracle/db/tech_st/11.2.0/appsutil/perl /database/oracle/db/tech_st/11.2.0/appsutil/clone

ouicli.pl   INSTE8_APPLY 255

Solution:  Backup the previous /etc/oraInventory and created the new one

     # mv oraInventory  oraInventory_old

     # mkdir -p oraInventory

     $ perl adcfgclone.pl dbTier

     Database clone completed successfully