SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6IkF5OEYzU240aU8yeUJZbTJvd3NTU2c9PSIsInZhbHVlIjoieHVTanA1UzZZOUFScC9aaDBpRkg3QT09IiwibWFjIjoiNTRhMTJlZGI2MzFiM2VkMTdmYWJhMWQyNmJlM2QxYjM1NjViZTJjZmM5MDgyY2IwMmI1ZGY5NDI2OGRhOWZlMCIsInRhZyI6IiJ9 limit 1)