SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6ImU1QmxuYTNrNnZrQ3hNUlI5UFpGYmc9PSIsInZhbHVlIjoib3cyeTZlMndsRkJNK2dEUHR3bWxqUT09IiwibWFjIjoiMmU3YWY5MmI1YTJkMTk1NjE2M2I1ZDkzZDY5MjNiYWUxMjAwMDMzZWFjYTZkY2Q0YjI5ZWNjZGVkZGNkZDI2NiIsInRhZyI6IiJ9 limit 1)