Per PostgreSQL 13 update, note the last line
lc_collate values for database “postgres” do not match
This errors happens if you are using non-default locales for your database. It was reported that you need 3 variables for it to succeed. Ensure that the
env:
section of you app.yml file has the 3 lines:LC_ALL: en_US.UTF-8 LANG: en_US.UTF-8 LANGUAGE: en_US.UTF-8
Changing
en_US.UTF-8
to your locale.