How to revised GST invoice

we have 2 buyers in Haryana name i.e. Ram sharma & Ram verma. The goods were send by single truck. our accountant was wrongly select one of them buyer Ram Verma of Mumbai instead of Haryana and on the behalf of the invoice Eway bill were also be generated. After 3 Days (due to some transport reason) when truck reached Haryana then error came to know that invoice & E-way bill both made to wrong party.  now pl advice how to correct the invoice. can we cancel old one or generate a new invoice. and what will happen of Eway bill was made wrongly ???