Bukkit

hello,

me and a group of friends are trying to setup jobs on our server , and after fixing every possible code error in jobConfig.yml, we restarted our server, and here is what we get every single time we start t :

[18:21:35] [Server thread/INFO]: [Jobs] Loaded 8 titles!

[18:21:35] [Server thread/INFO]: [Jobs] Loaded 0 restricted areas!

[18:21:35] [Server thread/INFO]: [Jobs] Loaded 49 protected blocks timers!

[18:21:35] [Server thread/INFO]: [Jobs] Loaded 641 custom item names!

[18:21:35] [Server thread/INFO]: [Jobs] Loaded 41 custom entity names!

[18:21:35] [Server thread/INFO]: [Jobs] Loaded 27 custom enchant names!

[18:21:35] [Server thread/INFO]: [Jobs] Loaded 16 custom color names!

[18:21:35] [Server thread/INFO]: [Jobs] 4 shop items loaded!

[18:21:35] [Server thread/INFO]: There was some issues when starting plugin. Please contact dev about this. Plugin will be disabled.

[18:21:35] [Server thread/INFO]: [Jobs] Saving blocks

[18:21:35] [Server thread/INFO]: [Jobs] Plugin has been disabled succesfully.

[18:21:35] [Server thread/WARN]: java.lang.NullPointerException

[18:21:35] [Server thread/WARN]: 	at com.gamingmesh.jobs.config.ConfigManager.loadJobSettings(ConfigManager.java:579)

[18:21:35] [Server thread/WARN]: 	at com.gamingmesh.jobs.config.ConfigManager.reload(ConfigManager.java:62)

[18:21:35] [Server thread/WARN]: 	at com.gamingmesh.jobs.Jobs.reload(Jobs.java:529)

[18:21:35] [Server thread/WARN]: 	at com.gamingmesh.jobs.Jobs.startup(Jobs.java:463)

[18:21:35] [Server thread/WARN]: 	at com.gamingmesh.jobs.Jobs.onEnable(Jobs.java:721)

[18:21:35] [Server thread/WARN]: 	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:271)

[18:21:35] [Server thread/WARN]: 	at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:337)

[18:21:35] [Server thread/WARN]: 	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405)

[18:21:35] [Server thread/WARN]: 	at org.bukkit.craftbukkit.v1_11_R1.CraftServer.enablePlugin(CraftServer.java:376)

[18:21:35] [Server thread/WARN]: 	at org.bukkit.craftbukkit.v1_11_R1.CraftServer.enablePlugins(CraftServer.java:326)

[18:21:35] [Server thread/WARN]: 	at net.minecraft.server.v1_11_R1.MinecraftServer.t(MinecraftServer.java:421)

[18:21:35] [Server thread/WARN]: 	at net.minecraft.server.v1_11_R1.MinecraftServer.l(MinecraftServer.java:382)

[18:21:35] [Server thread/WARN]: 	at net.minecraft.server.v1_11_R1.MinecraftServer.a(MinecraftServer.java:337)

[18:21:35] [Server thread/WARN]: 	at net.minecraft.server.v1_11_R1.DedicatedServer.init(DedicatedServer.java:272)

[18:21:35] [Server thread/WARN]: 	at net.minecraft.server.v1_11_R1.MinecraftServer.run(MinecraftServer.java:544)

[18:21:35] [Server thread/WARN]: 	at java.lang.Thread.run(Thread.java:745)

if anyone had any idea of what causes this issue and how to fix it, i'm up to you !