SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6InZkVjFSRzNuSlQrenF1R01EQkJVUEE9PSIsInZhbHVlIjoid3R2RVZpZGZUbTA3UTM3Zm9UMk5jZz09IiwibWFjIjoiY2I4NmE4YWZmYWQ5NTI0OGJiMWFjMzAwMmNiYzMxMjZmZjQxYTg0MmE0ZTUyNWU5YzhiNTM2ODM5OTc4NjE5ZSIsInRhZyI6IiJ9 limit 1)