Atualize o agrupamento de banco de dados no PostgreSQL
update pg_database set datcollate='POSIX.UTF-8', datctype='POSIX.UTF-8' where datname='databasename';
Foolish Falcon
update pg_database set datcollate='POSIX.UTF-8', datctype='POSIX.UTF-8' where datname='databasename';