SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6Im5vams3ZG5TRXdFZTdRc2o5VVZjL3c9PSIsInZhbHVlIjoiZVVYSzhYeko4NWw2NFZEcjZ0aFIvdz09IiwibWFjIjoiNWFhYjFmZWVkMTM4ZjQ5ZDI4MTJlYzQzZDE4ZDBiMzE5ZTIyOWMyOGM2M2VkMGY3MmRmOGQ1NGRhNGYzYjA4YyIsInRhZyI6IiJ9 limit 1)