org.bukkit.command.CommandException: Unhandled exception executing command 'papi' in plugin PlaceholderAPI v2.10.3
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:47) ~[patched_1.14.3.jar:git-Paper-132]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:159) ~[patched_1.14.3.jar:git-Paper-132]
at org.bukkit.craftbukkit.v1_14_R1.CraftServer.dispatchCommand(CraftServer.java:739) ~[patched_1.14.3.jar:git-Paper-132]
at net.minecraft.server.v1_14_R1.PlayerConnection.handleCommand(PlayerConnection.java:1837) ~[patched_1.14.3.jar:git-Paper-132]
at net.minecraft.server.v1_14_R1.PlayerConnection.a(PlayerConnection.java:1645) ~[patched_1.14.3.jar:git-Paper-132]
at net.minecraft.server.v1_14_R1.PacketPlayInChat.a(PacketPlayInChat.java:47) ~[patched_1.14.3.jar:git-Paper-132]
at net.minecraft.server.v1_14_R1.PacketPlayInChat.a(PacketPlayInChat.java:5) ~[patched_1.14.3.jar:git-Paper-132]
at net.minecraft.server.v1_14_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:18) ~[patched_1.14.3.jar:git-Paper-132]
at net.minecraft.server.v1_14_R1.TickTask.run(SourceFile:18) ~[patched_1.14.3.jar:git-Paper-132]
at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeTask(IAsyncTaskHandler.java:127) ~[patched_1.14.3.jar:git-Paper-132]
at net.minecraft.server.v1_14_R1.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) ~[patched_1.14.3.jar:git-Paper-132]
at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeNext(IAsyncTaskHandler.java:105) ~[patched_1.14.3.jar:git-Paper-132]
at net.minecraft.server.v1_14_R1.MinecraftServer.aW(MinecraftServer.java:1002) ~[patched_1.14.3.jar:git-Paper-132]
at net.minecraft.server.v1_14_R1.MinecraftServer.executeNext(MinecraftServer.java:995) ~[patched_1.14.3.jar:git-Paper-132]
at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.awaitTasks(IAsyncTaskHandler.java:115) ~[patched_1.14.3.jar:git-Paper-132]
at net.minecraft.server.v1_14_R1.MinecraftServer.sleepForTick(MinecraftServer.java:979) ~[patched_1.14.3.jar:git-Paper-132]
at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:912) ~[patched_1.14.3.jar:git-Paper-132]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_212]
Caused by: java.lang.ClassCastException: at.pcgamingfreaks.MarriageMasterStandalone.Bukkit.MarriageMaster cannot be cast to at.pcgamingfreaks.MarriageMaster.Bukkit.MarriageMaster
at com.extendedclip.papi.expansion.marriagemaster.MarriageMasterExpansion.register(MarriageMasterExpansion.java:46) ~[?:?]
at me.clip.placeholderapi.expansion.ExpansionManager.registerExpansion(ExpansionManager.java:105) ~[?:?]
at me.clip.placeholderapi.expansion.ExpansionManager.registerAllExpansions(ExpansionManager.java:154) ~[?:?]
at me.clip.placeholderapi.PlaceholderAPIPlugin.reloadConf(PlaceholderAPIPlugin.java:176) ~[?:?]
at me.clip.placeholderapi.commands.PlaceholderAPICommands.onCommand(PlaceholderAPICommands.java:226) ~[?:?]
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[patched_1.14.3.jar:git-Paper-132]
... 17 more