SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6ImhYbWlXalNtdU4vbGsweTJpVnNVcFE9PSIsInZhbHVlIjoiMDVGOUlTUm9vZzhwbFBZYlFKUTllUT09IiwibWFjIjoiYWNhMGEyZmNiYmQyNTQwNDZhYzlmOWUzMDU4ODBiODc2MzFmMjJiYTgzNTQ0MTFmMWYzOGYyZmE4N2Y5YzY4MSIsInRhZyI6IiJ9 limit 1)