i am using 3.12 koha version but now i have solved this problem now bulkmarcimport is working through the following command Export KOHA_CONF=/etc/koha/koha-conf.xml Export PERL5LIB=/usr/share/koha/lib cd /usr/share/koha/bin/migration_tools/ perl bulkmarcimport.pl -d -commit 1000 -file /home/koha/koha.mrc But I am facing another issue regarding -d parameter -d is used for deleting all existing bib records After execute the above command new file is successfully uploading but the previous existing records are still in database these should be deleted but not Please tell me its possible solution. I want to delete previous records from database I shall be highly thankful for help and support -- View this message in context: http://koha.1045719.n5.nabble.com/Bulkmarc-import-error-tp5762064p5762442.ht... Sent from the Koha-general mailing list archive at Nabble.com.