when i run source it say this

[18:52:52] [Server] AutoSaver and System garbage collector task started!
[18:52:52] [Server] Loading commands
[18:52:52] [CommandHandler] Sucessfully loaded: 56 commands.
[18:52:52] [Server] Starting loading Cache...
java.lang.NullPointerException
at dragonkk.rs2rsps.rscache.CacheManager.load(CacheMa nager.java:18)
at dragonkk.rs2rsps.rscache.Cache.<init>(Cache.java:1 7)
at dragonkk.rs2rsps.Server.<init>(Server.java:97)
at dragonkk.rs2rsps.Server.main(Server.java:118)