MageWorx MultiFees

MageWorx_MultiFees version - 2.7.4

1. Open app/code/community/MageWorx/MultiFees/Model/Sales/Quote/Total.php and find the following line:

   if ($this->_collected) return $this;
   

   Comment this line:

   // if ($this->_collected) return $this;
   

2. Save the file and disable compilation mode.