SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6InU2ZTk0dDNJajVMQjJ6L2RQRXhLSHc9PSIsInZhbHVlIjoidmNvMzJaeTdQVVMxMFhMcEFvdHExUT09IiwibWFjIjoiYzUzZDEyMjRlZGZmYTJlYmUzNzM3ODMwZDE1YjVlOWM1YWJhZjQ4MGM4NGRlZmFjNzUxYWFjOWI0M2UxOTllNCIsInRhZyI6IiJ9 limit 1)