Internal Server Error help

@Jay-Fauna
Hi Jay,
The problem has re-surfaced in the context of my doing updates in PG.
The schema is currently:

type User {
active: Boolean!
username: String!
description: String
email: String
mobile: String
playedAs: [Player!]! @relation
}

type Player {
rank: Int!
ranking: Ranking! @relation
playerInfo: User @relation
challenger: Player @relation
}

type Ranking {
active: Boolean!
rankingname: String!
rankingdesc: String
player: Player @relation
}

type Mutation {
  createNewUser(active: Boolean!, username : String!, password : String!, description: String, email: String, mobile: String): loginResult! @resolver(name: "create_new_user")
  loginUser(username: String!, password: String!): loginResult! @resolver(name: "login_user")
}

type Query {
  allUserNames: [String!]! @resolver(name: "all_user_names")
  allPlayerUIDs: [String!]! @resolver(name: "all_player_uids")
  allPlayerRanks: [Int!]! @resolver(name: "all_player_ranks")
  allPlayerChallengerUIDs: [String!]! @resolver(name: "all_player_challenger_uids")
  allPlayers: [Player] @resolver(name: "all_players")
  allRankings: [Ranking] @resolver(name: "all_rankings")
  allUsers: [User] @resolver(name: "all_users")
  gotPlayersByRankingId (rankingid: String!): [Player] @resolver(name: "got_players_byrankingid")
  gotRankingIdsByPlayer (uid: String!): [String] @resolver(name: "got_rankings_byplayerid")
}

type loginResult @embedded
{
  token : String
  logginUser : User
}

I re-booted my laptop and re: logged-in to the FaunaDB in case there were any cache related issues.
I will PM you the db keys …
thanks …