https://forum.bestpractical.com/t/rt-5-cant-use-an-undefined-value-as-an-array-reference/35403
RT 5 - Can't use an undefined value as an ARRAY reference - RT Users - Request Tracker Community...
Sep 30, 2020 - Hi All, I am trying to setup RT 5.0.0 on CentOS with PostgreSQL 12, but I am getting the following error: (configure line: ./configure --with-db-type=Pg)...
undefined valuerequest trackerusearrayreference