SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6IlZEOWFyZE5aQUFleHZTVzZUdnRTVGc9PSIsInZhbHVlIjoic3p3dXRMNldRSFpCaU1XTFEyc3ZPQT09IiwibWFjIjoiMjlkODM5ZmEzZDBhMmRiYzFhZjlhNTY0YjQwYjJjNjkwYjE4YTg3YmU3Yzk3MjJhYjZhYWRiNmRmNmVlZjA2NyIsInRhZyI6IiJ9 limit 1)