help with crashing server after I edited it

[shockforce101]

This has bother for awhile if it isnt one thing its another I have started a server but when i try to edited it like put in a new system or change the music or edited a base or planet it says it update and saves but when i go to start the server everything loads right but when my friends log in the get on for a few seconds and then it boots them saying bad installation. I dont know what to do i have tryed everything i could think of please help!!!!!!!!!!!!!!! plus when i install a fresh discovery and freelance and start up the server my friends can get on without edited it!!!!!!!! what am i doing wrong never had this problem before. Thank you if you can help