please test this solution.
https://github.com/abantecart/abantecart-src/commit/d8e4737bbdafadb49b94521bd49c3cdb6cc980d0
you can replace your file with new
https://github.com/abantecart/abantecart-src/commit/d8e4737bbdafadb49b94521bd49c3cdb6cc980d0
you can replace your file with new

