SQLSTATE[08004] [1040] Too many connections (SQL: select * from `categories` where `id` = eyJpdiI6InJIaUQxem0zNHVFd3MwRzRkZVZlUVE9PSIsInZhbHVlIjoiS1NlMGZUR3grTFUrazB4R3dmb2REZz09IiwibWFjIjoiMTcwZTU2NTJhMDVmY2U0NWNhZTE4NGU4YjdiMTBmZDg2YTU0M2YzYjlkODdhOTlmNmQyNjlkNzBiZGRhNTM1NiIsInRhZyI6IiJ9 limit 1)