Pls, continue the thread on the mailing list, not by private mail. Library wrote:
Dear sir, you refer the tag no.852 for the item.itemnumber but i choose tag. no.952 is it right or not ,MARK chech also don't show any error.Other tags which are defined by me are:
That's a bug, probably. You must know that the 2.1.0 version is a UNSTABLE release. It means it has many bugs, not all features... A 2.1.1 version should arrive soon.
itemcallnumber( 215a value ) is also not available in 2.0.0 koha ver.
Yes, it's something new in 2.1.0 The 215a value is UNIMARC. You have probably filled the parameters table with MARC21 (which is what you want, probably, as UNIMARC is for french libraries) -- Paul POULAIN Consultant indépendant en logiciels libres responsable francophone de koha (SIGB libre http://www.koha-fr.org)