SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6InZNaVVnNWx6WDM5Zk1IZ216SzJ1THc9PSIsInZhbHVlIjoicEVaN1R2NldGa2lOZExPSk5mZ3RlZz09IiwibWFjIjoiY2ZjYjEyYzZiNDRjMDhjMTA1NTM2ZjBlNDNlMDU0ZTJlMTk0Yjk1NTQ4ZDQxZmE2Nzg5YTA3ZGI2ZTYxZjk1NSIsInRhZyI6IiJ9 limit 1)