Multicraft error

17.05 02:30:39 [Multicraft] Server stopped
17.05 02:30:39 [Multicraft] Looks like a crash, check the server console. Return value: 1
17.05 02:30:37 [Multicraft] Error writing to server: [Errno 32] Broken pipe
17.05 02:30:37 [Multicraft] Error writing to server: [Errno 32] Broken pipe
17.05 02:30:37 [Multicraft] Stopping server!
17.05 02:30:37 [Multicraft] Server shut down
17.05 02:30:37 [Server] INFO Error: Unable to access jarfile /jar/spigot-1.8.jar
17.05 02:30:37 [Multicraft] Loaded config for "Spigot 1.8"
17.05 02:30:37 [Multicraft] Starting server!
17.05 02:30:37 [Multicraft] Loading server properties
17.05 02:30:37 [Multicraft] Received start command
17.05 02:30:35 [Multicraft] Loading server properties
17.05 02:30:33 [Multicraft] Loading server properties