[Koha] Error opac-error.log

[Carlos Rodrigo Cordova Sandoval]

Hello,

I have installed koha 3.16.02 64bits on debian 7.x with 45,000 records, I
have the following errors in the log opac-error.log more repeated the error
are:

Error #1
opac-detail.pl: Use of uninitialized value in concatenation (.) or string
at /usr/share/koha/opac/cgi-bin/opac/opac-detail.pl line 957, <DATA> line
558.


Error #2
opac-search.pl: Illegal date specified (year = 0, month = 0, day = 00) at
/usr/share/koha/lib/C4/Search.pm line 1907
rror #2

Error #3
opac-detail.pl: Use of uninitialized value in concatenation (.) or string
at /usr/share/koha/opac/cgi-bin/opac/opac-detail.pl line 957., referer:
http://biblioteca.udd.cl/cgi-bin/koha/opac-search.pl?q=ccl=au%3ABosch%20Bousquet%2C%20Julio&sort_by=relevance_dsc&limit=au:Vargas%20Valdivia,%20Luis


Thank you very much for your help


-Carlos
+569 6668 32 94