I-730 petitions revocation

[karsang]

I had applied petition for my family in the year 2008 on march but after my family was interviewed 3 times and the judge said the case was revoked..What can i do to bring my family I need help. They received a letter saying the I-730 petition were returned to Nebraska Service for revocation. Please help me out ..I have a permanent residence and really need to bring my children here before age 21