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<DIV style="LINE-HEIGHT: 1.7; FONT-FAMILY: arial; COLOR: #000000; FONT-SIZE: 14px">Hi,<BR> Could anyone fix this problem?<BR>I use Koha-3.06.02 to install. After installation, everything works well. <BR>I would like try use MARC21 and Unimarc in the same system. So I do like this "1.MARC Bibliographic framework<BR>2.New Framework<BR>3.import Unimarc.sql". <BR>After created the Unimarc Framework. The system doesn't work well anymore.<BR> <BR>When I use opac to search,it shows: <BR>Software error:<BR><BR>Can't call method "data" on an undefined value at /usr/share/koha/lib/C4/Search.pm line 1488.<BR><BR>For help, please send mail to the webmaster (webmaster@ubuntu), giving this error message and the time and date of the error. <BR> <BR>It can't allow to Add MARC Record. <BR><BR>Software error:<BR><BR>Tag "" is not a valid tag. at /usr/share/koha/lib/C4/Biblio.pm line 2170<BR><BR>For help, please send mail to the webmaster (webmaster@ubuntu), giving this error message and the time and date of the error. <BR><BR>How to fix these problem? Do you have any idea to use MARC21 and Unimarc together?<BR><BR>Than you.<BR> Peter Zhao</DIV><BR><BR><SPAN title="neteasefooter"><SPAN id="netease_mail_footer"></SPAN></SPAN></DIV></div><br><br><span title="neteasefooter"><span id="netease_mail_footer"></span></span>