SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6InhFb1pKeXJEaXBvZnB1ZThENWFwd3c9PSIsInZhbHVlIjoiamZ6bVp4VnpUbzBvQ0NreTUrRUJGZz09IiwibWFjIjoiMWEyYTA5ZjIwNjE5N2YxNjBhNjZkOGEzZjAxODAyYThjN2Y5OTAyMjZjNWIyODNhYjA4OTQzMGQxYTQ2YWUxZCIsInRhZyI6IiJ9 limit 1)