My Minecarft Server On Mac IS Not Working?

I'm trying to make a minecraft server that me and my friends can play together on. I successfully made the server and it worked for a while till now. When i started up the server it made different files with an error code saying this

[19:00:05 WARN]: Failed to load user banlist:
java.io.FileNotFoundException: banned-players.json (No such file or directory)
at java.io.FileInputStream.open(Native Method) ~[?:1.7.0_60]
at java.io.FileInputStream.<init>(FileInputStream.java:146) ~[?:1.7.0_60]
at com.google.common.io.Files.newReader(Files.java:86) ~[minecraft_server.1.7.10.jar:?]
at om.g(SourceFile:124) ~[minecraft_server.1.7.10.jar:?]
at ls.y(SourceFile:99) [minecraft_server.1.7.10.jar:?]
at ls.<init>(SourceFile:25) [minecraft_server.1.7.10.jar:?]
at lt.e(SourceFile:166) [minecraft_server.1.7.10.jar:?]
at net.minecraft.server.MinecraftServer.run(SourceFile:339) [minecraft_server.1.7.10.jar:?]
at lj.run(SourceFile:628) [minecraft_server.1.7.10.jar:?]
[19:00:05 WARN]: Failed to load ip banlist:
java.io.FileNotFoundException: banned-ips.json (No such file or directory)
at java.io.FileInputStream.open(Native Method) ~[?:1.7.0_60]
at java.io.FileInputStream.<init>(FileInputStream.java:146) ~[?:1.7.0_60]
at com.google.common.io.Files.newReader(Files.java:86) ~[minecraft_server.1.7.10.jar:?]
at om.g(SourceFile:124) ~[minecraft_server.1.7.10.jar:?]
at ls.x(SourceFile:91) [minecraft_server.1.7.10.jar:?]
at ls.<init>(SourceFile:27) [minecraft_server.1.7.10.jar

Someone please help