SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6IldnWFc2VDM3cWZJMVNaeW5DSzB5U3c9PSIsInZhbHVlIjoiSVFjOG1lQlhkNWgybWZuL3ovMmUrdz09IiwibWFjIjoiMGNjMmZiNmRhZWJmZDQ0YmFiMGJjNGU5YzczNWVhNjkwNGJiYjhjOTRkNDIyYzQ5ZDU5Mzc2YmM2OWE5ZThlMyIsInRhZyI6IiJ9 limit 1)