Plugin Help Error Message when starting server

Title say's it all really.. Get this error message when my server starts.

[31-12-2018 01:53:27] Plugin Essentials v2.0.1-b488 generated an exception while executing task 14
[31-12-2018 01:53:27] org.yaml.snakeyaml.constructor.ConstructorException: Can't construct a java object for tag:yaml.org,2002:com.earth2me.essentials.settings.Spawns; exception=java.lang.NoSuchFieldException: typeDefinitions
[31-12-2018 01:53:27] in 'reader', line 1, column 1:
[31-12-2018 01:53:27] spawns:
[31-12-2018 01:53:27] ^
[31-12-2018 01:53:27] at org.yaml.snakeyaml.constructor.Constructor$ConstructYamlObject.construct(Constructor.java:314) ~[craftbukkit.jar:git-Bukkit-f489f0f]
[31-12-2018 01:53:27] at org.yaml.snakeyaml.constructor.BaseConstructor.constructObjectNoCheck(BaseConstructor.java:204) ~[craftbukkit.jar:git-Bukkit-f489f0f]
[31-12-2018 01:53:27] at org.yaml.snakeyaml.constructor.BaseConstructor.constructObject(BaseConstructor.java:193) ~[craftbukkit.jar:git-Bukkit-f489f0f]
[31-12-2018 01:53:27] at org.yaml.snakeyaml.constructor.BaseConstructor.constructDocument(BaseConstructor.java:159) ~[craftbukkit.jar:git-Bukkit-f489f0f]
[31-12-2018 01:53:27] at org.yaml.snakeyaml.constructor.BaseConstructor.getSingleData(BaseConstructor.java:146) ~[craftbukkit.jar:git-Bukkit-f489f0f]
[31-12-2018 01:53:27] at org.yaml.snakeyaml.Yaml.loadFromReader(Yaml.java:524) ~[craftbukkit.jar:git-Bukkit-f489f0f]
[31-12-2018 01:53:27] at org.yaml.snakeyaml.Yaml.load(Yaml.java:467) ~[craftbukkit.jar:git-Bukkit-f489f0f]
[31-12-2018 01:53:27] at com.earth2me.essentials.storage.YamlStorageReader.load(YamlStorageReader.java:41) ~[?:?]
[31-12-2018 01:53:27] at com.earth2me.essentials.storage.AbstractDelayedYamlFileReader.run(AbstractDelayedYamlFileReader.java:33) ~[?:?]
[31-12-2018 01:53:27] at org.bukkit.craftbukkit.v1_13_R2.scheduler.CraftTask.run(CraftTask.java:58) ~[craftbukkit.jar:git-Bukkit-f489f0f]
[31-12-2018 01:53:27] at org.bukkit.craftbukkit.v1_13_R2.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:52) [craftbukkit.jar:git-Bukkit-f489f0f]
[31-12-2018 01:53:27] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_181]
[31-12-2018 01:53:27] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_181]
[31-12-2018 01:53:27] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_181]
[31-12-2018 01:53:27] Caused by: org.yaml.snakeyaml.error.YAMLException: java.lang.NoSuchFieldException: typeDefinitions
[31-12-2018 01:53:27] at com.earth2me.essentials.storage.BukkitConstructor$ConstructBukkitMapping.constructJavaBean2ndStep(BukkitConstructor.java:231) ~[?:?]
[31-12-2018 01:53:27] at org.yaml.snakeyaml.constructor.Constructor$ConstructMapping.construct(Constructor.java:149) ~[craftbukkit.jar:git-Bukkit-f489f0f]
[31-12-2018 01:53:27] at com.earth2me.essentials.storage.BukkitConstructor$ConstructBukkitMapping.construct(BukkitConstructor.java:217) ~[?:?]
[31-12-2018 01:53:27] at org.yaml.snakeyaml.constructor.Constructor$ConstructYamlObject.construct(Constructor.java:309) ~[craftbukkit.jar:git-Bukkit-f489f0f]
[31-12-2018 01:53:27] ... 13 more
[31-12-2018 01:53:27] Caused by: java.lang.NoSuchFieldException: typeDefinitions
[31-12-2018 01:53:27] at java.lang.Class.getDeclaredField(Class.java:2070) ~[?:1.8.0_181]
[31-12-2018 01:53:27] at com.earth2me.essentials.storage.BukkitConstructor$ConstructBukkitMapping.constructJavaBean2ndStep(BukkitConstructor.java:224) ~[?:?]
[31-12-2018 01:53:27] at org.yaml.snakeyaml.constructor.Constructor$ConstructMapping.construct(Constructor.java:149) ~[craftbukkit.jar:git-Bukkit-f489f0f]
[31-12-2018 01:53:27] at com.earth2me.essentials.storage.BukkitConstructor$ConstructBukkitMapping.construct(BukkitConstructor.java:217) ~[?:?]
[31-12-2018 01:53:27] at org.yaml.snakeyaml.constructor.Constructor$ConstructYamlObject.construct(Constructor.java:309) ~[craftbukkit.jar:git-Bukkit-f489f0f]
[31-12-2018 01:53:27] ... 13 more
[31-12-2018 01:53:27] No new version available