[Koha] Search by copy number not working properly

When i use search catalog and type in a copy number i get the following error if the copy number is less than four digits *No results found You did not specify any search criteria. Error: Can't call method "as_usmarc" on an undefined value at /usr/share/koha/lib/C4/Search.pm line 2397. * But for the four digit copy numbers that i have entered I get the search reult properly for the given copy number. I am using koha version 3.02.06.000 on Debian Squeeze Please help me in resolving this problem with thanks in advace -- View this message in context: http://koha.1045719.n5.nabble.com/Search-by-copy-number-not-working-properly... Sent from the Koha-general mailing list archive at Nabble.com.