habitica/common/locales/en/api-v3.json

{
  "missingAuthHeaders": "Missing authentication headers.",
  "missingUsernameEmail": "Missing username or email.",
  "missingEmail": "Missing email.",
  "missingUsername": "Missing username.",
  "missingPassword": "Missing password.",
  "invalidEmail": "Invalid email address.",
  "emailTaken": "Email already taken.",
  "usernameTaken": "Username already taken.",
  "passwordConfirmationMatch": "Password confirmation doesn't match password.",
  "invalidLoginCredentials": "Incorrect username / email and / or password.",
  "invalidCredentials": "User not found with given auth credentials.",
  "accountSuspended": "Account has been suspended, please contact leslie@habitica.com with your UUID \"<%= userId %>\" for assistance."
}