https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=23571 --- Comment #3 from Hugo Agud <hagud@orex.es> --- I have installed the patch , and from sudo koha-shell kohadev I have launched two terminal session but there is no error message at second terminal, perhaps I have done something wrong SESSION 1 kohadev-koha@kohadevbox:/tmp$ perl /home/vagrant/kohaclone/misc/cronjobs/fines.pl -v -l -o Use of uninitialized value $lockfile in concatenation (.) or string at /home/vagrant/kohaclone/misc/cronjobs/fines.pl line 93. WARNING: Could not create lock file : No such file or directory Verify if directories /var/lock/koha/koha_kohadev, /var/lock/koha_fines_koha_kohadev or /tmp/koha_fines_koha_kohadev exist and check file permissions writing to /var/lib/koha/kohadev/tmp/koha_kohadev_2020-01-07.log Use of uninitialized value in subtraction (-) at /home/vagrant/kohaclone/C4/Overdues.pm line 250. Use of uninitialized value in numeric eq (==) at /home/vagrant/kohaclone/C4/Overdues.pm line 266. Use of uninitialized value in subtraction (-) at /home/vagrant/kohaclone/C4/Overdues.pm line 250. SESSION 2 kohadev-koha@kohadevbox:/home/vagrant$ perl /home/vagrant/kohaclone/misc/cronjobs/fines.pl -v -l -o Use of uninitialized value $lockfile in concatenation (.) or string at /home/vagrant/kohaclone/misc/cronjobs/fines.pl line 93. WARNING: Could not create lock file : No such file or directory Verify if directories /var/lock/koha/koha_kohadev, /var/lock/koha_fines_koha_kohadev or /tmp/koha_fines_koha_kohadev exist and check file permissions writing to /var/lib/koha/kohadev/tmp/koha_kohadev_2020-01-07.log Use of uninitialized value in subtraction (-) at /home/vagrant/kohaclone/C4/Overdues.pm line 250. Use of uninitialized value in numeric eq (==) at /home/vagrant/kohaclone/C4/Overdues.pm line 266 -- You are receiving this mail because: You are watching all bug changes.