In _ex_varcache.gsc -- I believe you have this too high
//****************************************************************************
// X4 Knife/Headshot Reward System
//****************************************************************************
level.ex_headshotreward = [[level.ex_dvardef]] ("ex_headshot_reward", 0, 0, 1, "int");
level.ex_headshotpoints = [[level.ex_dvardef]] ("ex_headshot_points", 0, 0, 99, "int");
level.ex_meleereward = [[level.ex_dvardef]] ("ex_melee_reward", 0, 0, 1, "int");
level.ex_meleepoints = [[level.ex_dvardef]] ("ex_melee_points", 0, 0, 99, "int");
Move this to somewhere below
//****************************************************************************
// X4 Show Coordinates
//****************************************************************************