SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6InV6S0lpTnBoR3hFdnovVUtUb1JkcXc9PSIsInZhbHVlIjoiWEpJUGNRVVJLdVJUdFRPeVc3czVGUT09IiwibWFjIjoiNGVhNTVjZjZmYjFjZjU3YmFmNTg4NjhjZjFjMzdkMTI1NWExOWEzODYyN2FjM2RmNzA1YjgyMWU0ZmQ0ODY4ZCIsInRhZyI6IiJ9 limit 1)