[01:30:44 ERROR]: Error occurred while enabling FactionChat v1.10.7 (Is it up to date?)
java.lang.NoClassDefFoundError: com/massivecraft/factions/RelationParticipator
        at java.lang.Class.forName0(Native Method) ~[?:1.8.0_161]
        at java.lang.Class.forName(Unknown Source) ~[?:1.8.0_161]
        at nz.co.lolnet.james137137.FactionChat.FactionChat.loadFactionsAPI(FactionChat.java:659) ~[?:?]
        at nz.co.lolnet.james137137.FactionChat.FactionChat.onEnable(FactionChat.java:97) ~[?:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:264) ~[patched_1.12.2.jar:git-Paper-1390]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:316) [patched_1.12.2.jar:git-Paper-1390]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405) [patched_1.12.2.jar:git-Paper-1390]
        at org.bukkit.craftbukkit.v1_12_R1.CraftServer.enablePlugin(CraftServer.java:395) [patched_1.12.2.jar:git-Paper-1390]
        at org.bukkit.craftbukkit.v1_12_R1.CraftServer.enablePlugins(CraftServer.java:344) [patched_1.12.2.jar:git-Paper-1390]
        at net.minecraft.server.v1_12_R1.MinecraftServer.t(MinecraftServer.java:442) [patched_1.12.2.jar:git-Paper-1390]
        at net.minecraft.server.v1_12_R1.MinecraftServer.l(MinecraftServer.java:403) [patched_1.12.2.jar:git-Paper-1390]
        at net.minecraft.server.v1_12_R1.MinecraftServer.a(MinecraftServer.java:341) [patched_1.12.2.jar:git-Paper-1390]
        at net.minecraft.server.v1_12_R1.DedicatedServer.init(DedicatedServer.java:292) [patched_1.12.2.jar:git-Paper-1390]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:616) [patched_1.12.2.jar:git-Paper-1390]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_161]
Caused by: java.lang.ClassNotFoundException: com.massivecraft.factions.RelationParticipator
        at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.8.0_161]
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:156) ~[patched_1.12.2.jar:git-Paper-1390]
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:104) ~[patched_1.12.2.jar:git-Paper-1390]
        at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_161]
        at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_161]
        ... 15 more