Failed to upgrade to v2.9.0beta3

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.

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