Plugin was unable to load even after change of mc server version from 1.9 to 1.10
[18:02:55] [Server thread/INFO]: Starting minecraft server version 1.10
[18:02:55] [Server thread/INFO]: Loading properties
[18:02:55] [Server thread/INFO]: Default game type: SURVIVAL
[18:02:55] [Server thread/INFO]: This server is running CraftBukkit version git-Spigot-6016ac7-10c10b3 (MC: 1.10) (Implementing API version 1.10-R0.1-SNAPSHOT)
[18:02:55] [Server thread/INFO]: Server Ping Player Sample Count: 12
[18:02:55] [Server thread/INFO]: Using 4 threads for Netty based IO
[18:02:55] [Server thread/INFO]: Debug logging is disabled
[18:02:55] [Server thread/INFO]: Generating keypair
[18:02:55] [Server thread/INFO]: Starting Minecraft server on *:15001
[18:02:55] [Server thread/INFO]: Using epoll channel type
[18:02:55] [Server thread/INFO]: Set PluginClassLoader as parallel capable
[18:02:55] [Server thread/INFO]: [BuildBattle] Loading BuildBattle v4.0.0-RC-2
[18:02:55] [Server thread/WARN]: **** SERVER IS RUNNING IN OFFLINE/INSECURE MODE!
[18:02:55] [Server thread/WARN]: The server will make no attempt to authenticate usernames. Beware.
[18:02:55] [Server thread/WARN]: Whilst this makes it possible to use BungeeCord, unless access to your server is properly restricted, it also opens up the ability for hackers to connect with any username they choose.
[18:02:55] [Server thread/WARN]: Please see http://www.spigotmc.org/wiki/firewall-guide/ for further information.
[18:02:55] [Server thread/WARN]: To change this, set "online-mode" to "true" in the server.properties file.
[18:02:55] [Server thread/INFO]: **** Beginning UUID conversion, this may take A LONG time ****
[18:02:55] [Server thread/INFO]: Preparing level "world"
[18:02:55] [Server thread/INFO]: -------- World Settings For [world] --------
[18:02:55] [Server thread/INFO]: Mob Spawn Range: 4
[18:02:55] [Server thread/INFO]: Cactus Growth Modifier: 100%
[18:02:55] [Server thread/INFO]: Cane Growth Modifier: 100%
[18:02:55] [Server thread/INFO]: Melon Growth Modifier: 100%
[18:02:55] [Server thread/INFO]: Mushroom Growth Modifier: 100%
[18:02:55] [Server thread/INFO]: Pumpkin Growth Modifier: 100%
[18:02:55] [Server thread/INFO]: Sapling Growth Modifier: 100%
[18:02:55] [Server thread/INFO]: Wheat Growth Modifier: 100%
[18:02:55] [Server thread/INFO]: NetherWart Growth Modifier: 100%
[18:02:55] [Server thread/INFO]: Entity Activation Range: An 32 / Mo 32 / Mi 16
[18:02:55] [Server thread/INFO]: Entity Tracking Range: Pl 48 / An 48 / Mo 48 / Mi 32 / Other 64
[18:02:55] [Server thread/INFO]: Hopper Transfer: 8 Hopper Check: 8 Hopper Amount: 1
[18:02:55] [Server thread/INFO]: Random Lighting Updates: false
[18:02:55] [Server thread/INFO]: Structure Info Saving: true
[18:02:55] [Server thread/INFO]: Max Entity Collisions: 8
[18:02:55] [Server thread/INFO]: Custom Map Seeds: Village: 10387312 Feature: 14357617
[18:02:55] [Server thread/INFO]: Max TNT Explosions: 100
[18:02:55] [Server thread/INFO]: Tile Max Tick Time: 50ms Entity max Tick Time: 50ms
[18:02:55] [Server thread/INFO]: Item Despawn Rate: 6000
[18:02:55] [Server thread/INFO]: Item Merge Radius: 2.5
[18:02:55] [Server thread/INFO]: Arrow Despawn Rate: 1200
[18:02:55] [Server thread/INFO]: Allow Zombie Pigmen to spawn from portal blocks: true
[18:02:55] [Server thread/INFO]: View Distance: 10
[18:02:55] [Server thread/INFO]: Zombie Aggressive Towards Villager: true
[18:02:55] [Server thread/INFO]: Experience Merge Radius: 3.0
[18:02:55] [Server thread/INFO]: Nerfing mobs spawned from spawners: false
[18:02:56] [Server thread/INFO]: Preparing start region for level 0 (Seed: 9083939206977606424)
[18:02:57] [Server thread/INFO]: Preparing spawn area: 7%
[18:02:59] [Server thread/INFO]: Preparing spawn area: 10%
[18:03:00] [Server thread/INFO]: Preparing spawn area: 19%
[18:03:01] [Server thread/INFO]: Preparing spawn area: 28%
[18:03:02] [Server thread/INFO]: Preparing spawn area: 37%
[18:03:03] [Server thread/INFO]: Preparing spawn area: 46%
[18:03:04] [Server thread/INFO]: Preparing spawn area: 55%
[18:03:05] [Server thread/INFO]: Preparing spawn area: 63%
[18:03:06] [Server thread/INFO]: Preparing spawn area: 69%
[18:03:07] [Server thread/INFO]: Preparing spawn area: 75%
[18:03:08] [Server thread/INFO]: Preparing spawn area: 80%
[18:03:09] [Server thread/INFO]: Preparing spawn area: 86%
[18:03:10] [Server thread/INFO]: Preparing spawn area: 92%
[18:03:11] [Server thread/INFO]: Preparing spawn area: 98%
[18:03:11] [Server thread/INFO]: [BuildBattle] Enabling BuildBattle v4.0.0-RC-2
[18:03:11] [Server thread/INFO]: [BuildBattle] Connecting to services, please wait! Server may freeze a bit!
[18:03:12] [Server thread/INFO]: [BuildBattle] Hooked with ServiceRegistry! Initialized services properly!
[18:03:12] [Server thread/INFO]: [BuildBattle] Fetched latest localization file from repository.
[18:03:12] [Server thread/INFO]: _ _ _ _ _
[18:03:12] [Server thread/INFO]: | \ | | ___ | |_ ___ _ _ _ __ _ __ ___ _ __ | |_ ___ __| |
[18:03:12] [Server thread/INFO]: | \| | / _ \ | __| / __| | | | | | '_ \ | '_ \ / _ \ | '__| | __| / _ \ / _` |
[18:03:12] [Server thread/INFO]: | |\ | | (_) | | |_ \__ \ | |_| | | |_) | | |_) | | (_) | | | | |_ | __/ | (_| |
[18:03:12] [Server thread/INFO]: |_| \_| \___/ \__| |___/ \__,_| | .__/ | .__/ \___/ |_| \__| \___| \__,_|
[18:03:12] [Server thread/INFO]: |_| |_|
[18:03:12] [Server thread/INFO]: Your server version is not supported by BuildBattle!
[18:03:12] [Server thread/INFO]: Sadly, we must shut off. Maybe you consider updating your server version?
[18:03:12] [Server thread/INFO]: [BuildBattle] Disabling BuildBattle v4.0.0-RC-2
[18:03:12] [Server thread/INFO]: Server permissions file permissions.yml is empty, ignoring it
[18:03:12] [Server thread/INFO]: Done (16.883s)! For help, type "help" or "?"
[18:03:23] [Server thread/INFO]: This server is running CraftBukkit version git-Spigot-6016ac7-10c10b3 (MC: 1.10) (Implementing API version 1.10-R0.1-SNAPSHOT)
[18:03:23] [Server thread/INFO]: Checking version, please wait...
[18:03:24] [Thread-8/INFO]: You are 1283 version(s) behind