Failed to start application (function :pg2.create/1 is undefined or private)

[kartheek]

Is this the same issue you are facing ?

Cannot start app after update with Erlang 24

After updating with Erlang 24 I cannot start app because the function :pg2.create/1 is undefined or private. Here is the response I get after executing mix phx.server ** (Mix) Could not start application wui: Wui.Application.start(:normal, []) returned an error: shutdown: failed to start child: Wui.Endpoint ** (EXIT) shutdown: failed to start child: Phoenix.PubSub.PG2 ** (EXIT) shutdown: failed to start child: Phoenix.PubSub.PG2Server ** (EXIT) an exception was raised: ** (UndefinedFunction…