SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6Ik5QMWVCc0ZXSkg5Y3dGL21nS0tTaXc9PSIsInZhbHVlIjoiVkVQTlUzai9zUWE0Sjl3cWFoSU5JUT09IiwibWFjIjoiNzBiMTQzNDZjNGViZjNlM2NlNTNkYzExNmFhOTE1ZGIyMzM1NjI5ZGUxNGMwMmIyOWQyYTA1YWI3NTMyYmYzOSIsInRhZyI6IiJ9 limit 1)