Hi After enabling plack, CPU start running at 100% and I get a lot of "compliation errors" as below: Error while loading /etc/koha/plack.psgi: Can't load application from file "/usr/share/koha/api/v1/app.pl": Can 't locate object method "cache_dir" via package "Swagger2::SchemaValidator" at /usr/share/perl5/Swagger2.pm lin e 42. Compilation failed in require at (eval 1259) line 1. Error while loading /etc/koha/plack.psgi: Can't load application from file "/usr/share/koha/api/v1/app.pl": Can 't locate object method "cache_dir" via package "Swagger2::SchemaValidator" at /usr/share/perl5/Swagger2.pm lin e 42. Compilation failed in require at (eval 1259) line 1. Error while loading /etc/koha/plack.psgi: Can't load application from file "/usr/share/koha/api/v1/app.pl": Can 't locate object method "cache_dir" via package "Swagger2::SchemaValidator" at /usr/share/perl5/Swagger2.pm lin e 42. Compilation failed in require at (eval 1259) line 1. Error while loading /etc/koha/plack.psgi: Can't load application from file "/usr/share/koha/api/v1/app.pl": Can 't locate object method "cache_dir" via package "Swagger2::SchemaValidator" at /usr/share/perl5/Swagger2.pm lin e 42. Compilation failed in require at (eval 1259) line 1. This is my koha about: Koha version: 17.05.14.000 OS version ('uname -a'): Linux CelacpVps 5.1.2-x86_64-linode124 #1 SMP PREEMPT Wed May 15 15:12:46 UTC 2019 x86_64 Perl interpreter: /usr/bin/perl Perl version: 5.022001 Perl @INC: /usr/share/koha/lib /etc/perl /usr/local/lib/x86_64-linux-gnu/perl/5.22.1 /usr/local/share/perl/5.22.1 /usr/lib/x86_64-linux-gnu/perl5/5.22 /usr/share/perl5 /usr/lib/x86_64-linux-gnu/perl/5.22 /usr/share/perl/5.22 /usr/local/lib/site_perl /usr/lib/x86_64-linux-gnu/perl-base . MySQL version: mysql Ver 14.14 Distrib 5.7.27, for Linux (x86_64) using EditLine wrapper Apache version: Server version: Apache/2.4.18 (Ubuntu) Memcached: Servers: 127.0.0.1:11211 | Namespace: koha_library | Status: running. | Config read from: koha-conf.xml To enable plack I do: sudo koha-plack --enable biblioteca sudo koha-plack --start biblioteca sudo apache2ctl restart Regards, Alvaro |-----------------------------------------------------------------------------------------------------------------| Envíe y Reciba Datos y mensajes de Texto (SMS) hacia y desde cualquier celular y Nextel en el Perú, México y en mas de 180 paises. Use aplicaciones 2 vias via SMS y GPRS online Visitenos en www.perusms.com