Sorry,
The bug is actually on acs-kernel 5.6. Precisely at both psql functions
apm__get_value (integer,varchar)
apm__get_value (varchar,varchar)
wich can be fixed by just amending files
packages/acs-kernel/sql/postgresql/upgrade/upgrade-5.6.0d6-5.6.0d7.sql:create or replace function apm__get_value (integer,varchar)
packages/acs-kernel/sql/postgresql/upgrade/upgrade-5.6.0d6-5.6.0d7.sql:create or replace function apm__get_value (varchar,varchar)
cheers,