SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6IjB2WVQrSnROV2lpb292MkMwT1lHYnc9PSIsInZhbHVlIjoiMWprRkhQTFNlSzBWWnZMVTZpb1ViQT09IiwibWFjIjoiMTIwY2MzMTY3YWNlZTA0OWQ2N2MzY2E0ZmU4OGEwZWEyNmEzMGUxZTEwMTA2NDMyMGUxYjgzNjIwYTY5YjYyMyIsInRhZyI6IiJ9 limit 1)