Take the file 2de97b250f07a369610d6087471b7aad.xml out of your modded folder and start a new World League, that's fixed the transfer market for me.  Also there's an error in the 07590... .xml file where Munster's Team ID has been incorrectly assigned, they've got Ulster's number which causes a crash.  You can either edit the file yourself, or you can download the team list I've made here: