Dear all <br>i just updated koha 
ver.3.00.02.012 to 3.01.00.061 following problem<br>1) Add MARC link is not available when i <br>Cataloging &gt; Authorities &gt; New Authority fill data following Error is comming and z39.50 Search is not avalible<br><br>
<h1>Koha error</h1>
                                                <p>The following fatal error has occurred:</p> 
                        <pre><code>Can&#39;t call method &quot;field&quot; on an undefined value at /home/koha/intranet/cgi-bin/authorities/<a href="http://detail.pl">detail.pl</a> line 332.<br></code></pre>
                                                
                                                <table><tbody><tr><th>Apache</th><td>  Server version: Apache/2.2.12 (Ubuntu)
Server built:   Mar  9 2010 21:20:44
</td></tr>
                                                <tr><th>Koha</th><td>    3.01.00.061</td></tr>
                                                <tr><th>Koha DB</th><td> 3.0100061</td></tr>
                                                <tr><th>MySQL</th><td>   mysql  Ver 14.14 Distrib 5.1.37, for debian-linux-gnu (i486) using  EditLine wrapper
</td></tr>
                                                <tr><th>OS</th><td>      Linux vikas-desktop 2.6.31-21-generic #59-Ubuntu SMP Wed Mar 24 07:28:56 UTC 2010 i686</td></tr>
                                                <tr><th>Perl</th><td>    5.010000</td></tr></tbody></table><br>2) When i search books in Catalog i try to click edit batten this is disable <br><br><br>can anyone suggest what the problem might be?
<br><br>Vikas Salunkhe<br>