SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6Impjd2t0U0d4QnhqZlQxL05ydVQycEE9PSIsInZhbHVlIjoiTkUwWlFQUVRmWFF1ajBzbUpuZnNKQT09IiwibWFjIjoiMWZmYzkyNzY5ZGI5YmFjMDBkMTA3NWFiMGZmYzM4MTFhZjYxMGM5YmQwYzc5ZmFjMDQ4ODc4YTQ2NWQzMzJiZiIsInRhZyI6IiJ9 limit 1)