SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6InlscHQ0NXJnY1V6VGV1V0FCeUorZ2c9PSIsInZhbHVlIjoibmRvcjc1UHo4ZHlMc1VrcVpkUTlLZz09IiwibWFjIjoiMWJlMzAxZmQ5Zjk5YjdiMTdhMmY3MjU3MDFiZTQwMTNiNGM4MGUwMjQ1MmFlNTQ5ODY4MzIwNmU4M2Q4ZWU4NiIsInRhZyI6IiJ9 limit 1)