Minecraft Server Problems

Minecraft Server Problems
Hello I recently created a Minecraft Server on 08/08/18, but I can't connect to it for some reason. Does can anyone tell me why? I would really appreciate any help that could be given.
1 make sure ur servers on 1.5 somethimg
2 make sure your servers on
3 try reseting ur players data to do so open leet app go to help tap repair server then players data
4 disable any recently enabled plugins
5 make sure ip and port are correct
6 if none work file support ticket
also welcome to the leet comunity