Error after /ld updateprotocollib

[05:00:53 WARN]: java.nio.file.NoSuchFileException: plugins/update/ProtocolLib.jar
[05:00:53 WARN]: at sun.nio.fs.UnixException.translateToIOException(UnixException.java:86)
[05:00:53 WARN]: at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102)
[05:00:53 WARN]: at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107)
[05:00:53 WARN]: at sun.nio.fs.UnixFileSystemProvider.newByteChannel(UnixFileSystemProvider.java:214)
[05:00:53 WARN]: at java.nio.file.spi.FileSystemProvider.newOutputStream(FileSystemProvider.java:434)
[05:00:53 WARN]: at java.nio.file.Files.newOutputStream(Files.java:216)
[05:00:53 WARN]: at java.nio.file.Files.copy(Files.java:3016)
[05:00:53 WARN]: at me.libraryaddict.disguise.commands.libsdisguises.LDUpdateProtocolLib$1.run(LDUpdateProtocolLib.java:73)
[05:00:53 WARN]: at org.bukkit.craftbukkit.v1_16_R1.scheduler.CraftTask.run(CraftTask.java:99)
[05:00:53 WARN]: at org.bukkit.craftbukkit.v1_16_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:54)
[05:00:53 WARN]: at com.destroystokyo.paper.ServerSchedulerReportingWrapper.run(ServerSchedulerReportingWrapper.java:22)
[05:00:53 WARN]: at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
[05:00:53 WARN]: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
[05:00:53 WARN]: at java.lang.Thread.run(Thread.java:748)