Fatal error: Uncaught mysqli_sql_exception: Duplicate entry '1' for key 'PRIMARY' in /home/d5awyvzt87ne/public_html/api.iconxtechnologies.in/chits/app/sabari_thendral_chit_app/get_last_installment.php:21 Stack trace: #0 /home/d5awyvzt87ne/public_html/api.iconxtechnologies.in/chits/app/sabari_thendral_chit_app/get_last_installment.php(21): mysqli->query('insert into las...') #1 {main} thrown in /home/d5awyvzt87ne/public_html/api.iconxtechnologies.in/chits/app/sabari_thendral_chit_app/get_last_installment.php on line 21