I Install coherence to manage users, when the user login and password I get the following error
[Error] pid <0.411.0> running Mymodule.Endpoint terminated
Server: localhost: 4000 (http)
Request: POST / sessions
** (Exit) exited in: GenServer.call (Coherence.CredentialStore.Agent, {: update, function <2.5628747 / 1 in Coherence.CredentialStore.Agent.put_credentials / 2>}, 5000)
** (EXIT) no process