[19:12:04 ERROR]: Error occurred while enabling JetSeller v1.0.0 (Is it up to date?)
java.lang.NullPointerException: source's world cannot be null
        at com.gmail.filoghost.holographicdisplays.util.Validator.notNull(Validator.java:21) ~[?:?]
        at com.gmail.filoghost.holographicdisplays.object.DefaultBackendAPI.createHologram(DefaultBackendAPI.java:39) ~[?:?]
        at com.gmail.filoghost.holographicdisplays.api.HologramsAPI.createHologram(HologramsAPI.java:46) ~[?:?]
        at ru.floerka.JetSeller.Main.holoFromFonfig(Main.java:165) ~[?:?]
        at ru.floerka.JetSeller.Main.onEnable(Main.java:58) ~[?:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:263) ~[patched_1.16.4.jar:git-Yatopia-"074471c"]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:380) ~[patched_1.16.4.jar:git-Yatopia-"074471c"]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:483) ~[patched_1.16.4.jar:git-Yatopia-"074471c"]
        at org.bukkit.craftbukkit.v1_16_R3.CraftServer.enablePlugin(CraftServer.java:501) ~[patched_1.16.4.jar:git-Yatopia-"074471c"]
        at org.bukkit.craftbukkit.v1_16_R3.CraftServer.enablePlugins(CraftServer.java:415) ~[patched_1.16.4.jar:git-Yatopia-"074471c"]
        at net.minecraft.server.v1_16_R3.MinecraftServer.loadWorld(MinecraftServer.java:466) ~[patched_1.16.4.jar:git-Yatopia-"074471c"]
        at net.minecraft.server.v1_16_R3.DedicatedServer.init(DedicatedServer.java:259) ~[patched_1.16.4.jar:git-Yatopia-"074471c"]
        at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:939) ~[patched_1.16.4.jar:git-Yatopia-"074471c"]
        at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$a$0(MinecraftServer.java:175) ~[patched_1.16.4.jar:git-Yatopia-"074471c"]
        at java.lang.Thread.run(Unknown Source) [?:?]