I have installed koha 17.11 successfully. i am trying to restore data from
an old version (Koha 3.18) . after dropping the new database and restoring
the old one. i tried to upgrade the database schema using
*koha-upgrade-schema library, then it gives this error on command line:*Use
of uninitialized value in numeric lt (<) at
Failed to add reserve_id to reserves tables, please refresh the page to try
again. at /usr/share/koha/intranet/cgi-bin/installer/data/mysql/
updatedatabase.pl line 5591.
please what can i do?
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