Opac detail retrieval failing on (20.11.00-1). sudo curl -v https://library.abs.org.nz/cgi-bin/koha/opac-detail.pl?biblionumber=1354 returns "Internal Server Error" opac logs as 192.168.2.1 - - [11/Jan/2021:22:49:21 +1300] "GET /cgi-bin/koha/opac-detail.pl?biblionumber=1354 HTTP/1.1" 500 21 PLack-error.log returns Template process failed: plugin error - ColumnsSettings: plugin not found at /usr/share/koha/lib/C4/Templates.pm line 122. columns_settings table exists and has circ, members module rows. Repeatable behaviour after reinstalling koha-common Additional log, worker-output.log not sure of relevance: Failed to connect: Error connecting to localhost:61613: Connection refused at /usr/share/perl5/Net/Stomp.pm line 27.; retrying at /usr/share/perl5/Net/Stomp.pm line 90.
*** This bug has been marked as a duplicate of bug 27376 ***