Tekkit crashes when joining a tekkit server

[cheesy crackers]

i have set up a working tekkit server and tested i can join it, but when my friend tries to join he gets on server for about 3 seconds then it just freezes then closes tekkit? does anyone know how to fix this?

[vibur]

Go to the bug forum. Review the sticky on posting a bug report.

When you post your log, make sure you include a portion of it from a time when your friend tries to join.

[lmcclmcc]

Yes the same happens for me it was working perfectly but now it's not and i know it is not my server because when i try to join other servers it crashes as well, i don't know if my friend can join cause he has not tried. If this has happened to someone else and they can help me i will be deeply appreciative, Thank You.