SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6InRQZ2crWG0xaHU5eGVLVjR5d1hoRUE9PSIsInZhbHVlIjoieFhxb1VldjNpVnU1SE4wQ1JGRG5FUT09IiwibWFjIjoiZjNmMWY2NmIzNmNjY2RmZDI5YzMzYTcwYzRkNTdlMzIzNGQ1ZGI3MzQ3MTMyNTAxMGUwNWZhNDlhODJjNjlkZiIsInRhZyI6IiJ9 limit 1)