Masarath

What exactly are you seeing / is happening? Does the game just close, or do you get a white screen?

This is an assumption based on the little information you have posted Kyler, but none the less I hope it works for you. I currently run a tekkit server and one of my members had this issue. I then changed a few settings in my client and could no longer log in to the server without getting this error. However, with a bit of playing around with files and the like, there is one solution which worked for me, so I hope it will help you. Solution: You need to open the file %appdata%. Find the file .techniclauncher. Inside this file should be another file called tekkit. Simply deleting this solved my issue, however, it does mean that any texture pack you have will have to be re-installed and it also resets your settings. Good luck!!

I assume this is the issue with a white screen after logging onto your server. A tad more information about what exactly is going on would be useful next time. I currently run a tekkit server and one of my members had this issue. I then changed a few settings in my client and could no longer log in to the server without getting this error. However, with a bit of playing around with files and the like, there is one solution which worked for me, so I hope it will help you. Solution: You need to open the file %appdata%. Find the file .techniclauncher. Inside this file should be another file called tekkit. Simply deleting this solved my issue, however, it does mean that any texture pack you have will have to be re-installed and it also resets your settings. Good luck!!

I currently run a tekkit server and one of my members had this issue. I then changed a few settings in my client and could no longer log in to the server without getting this error. However, with a bit of playing around with files and the like, there is one solution which worked for me, so I hope it will help you. Solution: You need to open the file %appdata%. Find the file .techniclauncher. Inside this file should be another file called tekkit. Simply deleting this solved my issue, however, it does mean that any texture pack you have will have to be re-installed and it also resets your settings. Good luck!!