Challenges Bug?

Well, essentially, I have been playing forge a lot. But, it seems every time I get far enough to unlock a challenge, none appear. IT says someone has challenged me (I may of forgotten exact message, a bit tired haha), but, I've tried 5 times now, and for some reason, challenges will not appear. Am I doing something wrong? Or is it bugged?
Edit:

Also:
My World File appears as:
The UI bug may have relation to adventure map or zeppelin, I don't know. I posted another thread, but was directed to put this here.
It d oes not work in default worlds either.
Edit:

Also:
My World File appears as:
- Code: Select all
Name:Main world
Name:Shandalar|Dir:shandalar|Sets:2ED, ARN, ATQ, 3ED, LEG, DRK, 4ED|Banned:Chaos Orb; Falling Star
Name:Jamuraa|Dir:jamuraa|Sets:5ED, ARN, MIR, VIS, WTH|Banned:Chaos Orb; Falling Star
Name:The Ancient World|Sets:LEA, LEB, 2ED
Name:Arabia|Sets:ARN, ATQ, LEG
Name:The Dark World|Sets:DRK, FEM, HML
Name:The Frozen Tundra|Sets:3ED, ICE, ALL, CSP
Name:Illusionary Planes|Sets:4ED, MIR, VIS, WTH
Name:The Weathered World|Sets:5ED, TMP, STH, EXO
Name:Urza's Domain|Sets:5ED, USG, ULG, UDS
Name:Phyrexia|Sets:6ED, MMQ, NMS, PCY
Name:The Invasion of Phyrexia|Sets:6ED, INV, PLS, APC
Name:Otaria, The Search for the Mirari|Sets:7ED, ODY, TOR, JUD
Name:Otaria's End|Sets:7ED, ONS, LGN, SCG
Name:Mirrodin|Sets:8ED, MRD, DST, 5DN
Name:Kamigawa|Sets:8ED, CHK, BOK, SOK
Name:The City of Guilds|Sets:9ED, RAV, GPT, DIS
Name:A Portal Through Time|Sets:9ED, TSP, TSB, PLC, FUT
Name:Lorwyn|Sets:10E, LRW, MOR, SHM, EVE
Name:Alara|Sets:10E, ALA, CON, ARB
Name:Zendikar, The Shattered World|Sets:M10, ZEN, WWK, ROE
Name:Return to Mirrodin|Sets:M11, SOM, MBS, NPH
Name:Innistrad, World of Shadow|Sets:M12, ISD, DKA, AVR
Name:Return to Ravicna|Sets:M13, RTR
The UI bug may have relation to adventure map or zeppelin, I don't know. I posted another thread, but was directed to put this here.
It d oes not work in default worlds either.