SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6ImVOU1k4RDJwRDlZck05NjNhQWNTZHc9PSIsInZhbHVlIjoiZytneFZjVE1tWXlTZFBmVnpKMG44dz09IiwibWFjIjoiN2ZiZmYyYzAzNzlhZDUyNTE4NWI0NGY3MGFhMWYwMTJiMjdiODZhYzhkZmU1M2ZlNjExMTJlMjA0OGNlMjFjMyIsInRhZyI6IiJ9 limit 1)