SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6IktPb0RpakZlWnF3RlhlKzc5WkhrSHc9PSIsInZhbHVlIjoiN2RuWG4zNXpURDVQeU4zc2RqRDB1Zz09IiwibWFjIjoiMzE4NzczODMwZmQxZmE4YTliYTdhOGZjYWYzOTlhMzNiYjRiZDcwM2Y5M2VhNjhlNDMwYzA1MTM0NzE2NmVhYiIsInRhZyI6IiJ9 limit 1)