Technical Specs:

• Craft to Exile Version [2.2.0b]
• World Type [multiplayer]
• RAM Allocation [server has 2650MB ]

Describe the bug
A clear and concise description of what the bug is.

To Reproduce
Steps to reproduce the behavior:

1. Go to '2.0.2c go to nether/end'
2. Click on 'update to 2.2.0b'
3. try going back into the nether/end and it doesnt work

Expected behavior
you shouldnt be able to go to the nether after you do it. it just breaks all kinds of portals

Additional Information (screen shots, etc.)
theres not much to say then that honestly. i did go into the nether with my friends before the server auto updated to 2.2.0b.
really sorry for my bad grammar and spelling

Apologies for the long reply. The fix is to get the level seed for your world, and regenerate the level.dat file in a singleplayer world using the level seed. Then take the newly formed level.dat from the singleplayer world and overwrite the one in your multiplayer server.