MMM 1.7 Says: "AN ERROR OUCCRED:" Gitches

I Have Installed Old Verison Mega Man Maker 1.6 And Have Newer Verison Mega Man Maker Again. So Can't Open MMM 1.7 And Click Passworld. But Got An error ouccred

There Problem When Facing Old Computer. I Can't Fix That And Please Help me With Some Correct Passworld error.