[Koha] koha: use of uninitialized value $est in pattern match

[Daniel F. Twum]

I have observed the following messages in the log. Please help.

[Mon Jun 05 09:32:23.411129 2023] [cgi:error] [pid 5252] [client 41.155.4.10:10797] AH01215: Use of uninitialized value $text in pattern match (m//) at /usr/share/perl5/MARC/File/USMARC.pm line 123.: /usr/share/koha/intranet/cgi-bin/cataloguing/z3950_search.pl, referer: http://library.ofosualibrary.aucdt.edu.gh:7001/cgi-bin/koha/cataloguing/z3950_search.pl?biblionumber=0&frameworkcode=Default
[Mon Jun 05 09:32:23.411194 2023] [cgi:error] [pid 5252] [client 41.155.4.10:10797] AH01215: Use of uninitialized value within @_ in join or string at /usr/share/perl5/MARC/Record.pm line 723.: /usr/share/koha/intranet/cgi-bin/cataloguing/z3950_search.pl, referer: http://library.ofosualibrary.aucdt.edu.gh:7001/cgi-bin/koha/cataloguing/z3950_search.pl?biblionumber=0&frameworkcode=Default
[Mon Jun 05 10:05:50.628893 2023] [cgi:error] [pid 4342] [client 41.155.4.10:13770] AH01215: Use of uninitialized value $indexes[0] in string eq at /usr/share/koha/intranet/cgi-bin/catalogue/search.pl line 463.: /usr/share/koha/intranet/cgi-bin/catalogue/search.pl, referer: http://library.ofosualibrary.aucdt.edu.gh:7001/index.html


Thanks in advance, 
Daniel Twum