SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6IkpYM1hybG1tQzJpU0NiRlpHVTRZaVE9PSIsInZhbHVlIjoiUnJVL04zTVV3Z3FXMUUrZytSdGtQdz09IiwibWFjIjoiYzgxMDc3M2IyNDFmMjIxYzJiYmViYjcxNTE1MzI0MGZmNjUwM2YwOWM0MjgwMGEwNzQyYmVlMWU5YmM4MzJkMyIsInRhZyI6IiJ9 limit 1)