+# Additional system information for warnings
+my $prefNoZebra = C4::Context->preference('nozebra');
+my $prefAutoCreateAuthorities = C4::Context->preference('AutoCreateAuthorities');
+my $prefBiblioAddsAuthorities = C4::Context->preference('BiblioAddsAuthorities');
+my $warnPrefBiblioAddsAuthorities = ( $prefAutoCreateAuthorities && ( !$prefBiblioAddsAuthorities) );
+
+my $prefEasyAnalyticalRecords = C4::Context->preference('EasyAnalyticalRecords');
+my $prefUseControlNumber = C4::Context->preference('UseControlNumber');
+my $warnPrefEasyAnalyticalRecords = ( $prefEasyAnalyticalRecords && $prefUseControlNumber );
+
+my $errZebraConnection = C4::Context->Zconn("biblioserver",0)->errcode();
+