SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6ImtaSFhZODJnSkNKNkRMS2lkMUttV3c9PSIsInZhbHVlIjoiM2tTTVFoUmhuaUNEOG9BQkV6QzdCQT09IiwibWFjIjoiZjk3ZjljZDAzODU4YTg1MWY2OTRiNWUzZTc2Mjk5OTFkMzA3ODc3OTM1MTI4M2MxODJkN2RlMzZjYWMwMzQzMiIsInRhZyI6IiJ9 limit 1)