SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6InVGeWhKL2ZPZ2dVTnJ6eFh2b09UcXc9PSIsInZhbHVlIjoiNmpCSjFJejZZMTlaZkVob1JXckQ2UT09IiwibWFjIjoiYTM4ZDRmZmYyNGU2NzBiMWMxMzg3MWI3NjRhNmYzNzhmMjQ1M2M0MmVjMzc5YzhjODIxNTBkOWZmYmU3MTUzNSIsInRhZyI6IiJ9 limit 1)