[11:10:31] [Server thread/WARN]: [ExtendedRespawn] Task #21311117 for ExtendedRespawn v1.0.1 generated an exception
java.lang.NoClassDefFoundError: org/bukkit/craftbukkit/v1_12_R1/entity/CraftPlayer
        at ua.yakess.extendedrespawn.Main$1.run(Main.java:30) ~[?:?]
        at org.bukkit.craftbukkit.v1_14_R1.scheduler.CraftTask.run(CraftTask.java:81) ~[Spigot.jar:git-Spigot-56f8471-56118c6]
        at org.bukkit.craftbukkit.v1_14_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:394) [Spigot.jar:git-Spigot-56f8471-56118c6]
        at net.minecraft.server.v1_14_R1.MinecraftServer.b(MinecraftServer.java:1022) [Spigot.jar:git-Spigot-56f8471-56118c6]
        at net.minecraft.server.v1_14_R1.DedicatedServer.b(DedicatedServer.java:393) [Spigot.jar:git-Spigot-56f8471-56118c6]
        at net.minecraft.server.v1_14_R1.MinecraftServer.a(MinecraftServer.java:970) [Spigot.jar:git-Spigot-56f8471-56118c6]
        at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:815) [Spigot.jar:git-Spigot-56f8471-56118c6]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_231]