Show engine errors

[L-Eugene]

Show user messages errors based on Event value:

• 2: No such game
• 4: User is not authorised
• 7: User does not applied to game
• 8: Team does not applied to game
• 9 You are not accepted by authors
• 10: You does not have a team
• 11: You are not in active staff
• 12: There is no levels in game
• 13: Team limit is exceeded

If possible, give short links to resolve the issues.