SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6ImI2NTZqUTRCc1pscWlaaG5tT0d6SXc9PSIsInZhbHVlIjoibzZFLzA0T3FNSUFPT3NIUkJIbWJyZz09IiwibWFjIjoiM2Q0ZGJkODIwNmYwY2UwZmJhODJiZmY2M2M0NGYzZDM5MjFkZmYwN2FlMjFhNjM4ZTJhNDlmYmQwYzUxMTczYyIsInRhZyI6IiJ9 limit 1)