Gstr 4 error, urgent

Naveen kumar (accounts) (110 Points)

10 October 2018  
Sir, i purchased medicine taxable amount is 1977 and cgst is 125.99 and sgst is, 125.99, total=2228.98, discount on total 2228.98-285.05=1943.93 as invoice value, software displayed INVOICE VALUE CAN NOT BE LESS THAN TAXABLE AMOUNT. and error occurred when i upload on gst portal. Plz give a solution thanks in advance.