Codeigniter只在MYSQL id和日期中插入部分CSV数据

Hi i am trying to insert data into mysql table by uploading the CSV. But i am getting an error. the upload shows me error and inserts only the id and date. I dont know the possible reasons for it. Firstly i exported the users table from MYSQL to csv format. Now i upload same using my code but does not work Below is my code :Hi i am trying to insert data into mysql table