[Koha] [SIP2] Activate checksum control

I try to send message to ACS with checksum AZ option but on syslog i read: Unsupported field 'AZ' in Patron Info message Unsupported field 'AZ' in Checkout message how can I do to enable checksum on server? Thanks Luigi -- View this message in context: http://www.nabble.com/-SIP2--Activate-checksum-control-tp22221220p22221220.h... Sent from the Koha - Discuss mailing list archive at Nabble.com.