The warnings [WARN] Variable "@messages" is not available at /kohadevbox/koha/acqui/basket.pl line 698. [WARN] Variable "$op" is not available at /kohadevbox/koha/acqui/basket.pl line 704. appears in plack-intranet-error.log To reproduce: 1. Have a fresh KTD. 2. Observe plack-intranet-error.log 3. Go to Acquisitions, create vendor. 4. Create basket. After saving warnings appear in plack-intranet-error.log