Description: Updating screen events

java.lang.NullPointerException: Updating screen events
	at bno.b(SourceFile:162)
	at bno.a(SourceFile:113)
	at bmx.a(SourceFile:182)
	at blk.a(SourceFile:337)
	at bmg.a(SourceFile:294)
	at bmx.a(SourceFile:160)
	at blk.k(SourceFile:400)
	at blk.q(SourceFile:377)
	at bib.t(SourceFile:1625)
	at bib.az(SourceFile:1000)
	at bib.a(SourceFile:419)
	at net.minecraft.client.main.Main.main(SourceFile:123)

Couldn't get a list of all recipe files
java.nio.file.AccessDeniedException: C:\Users\Graham\AppData\Roaming\.minecraft\versions\1.12.1\1.12.1.jar
	at sun.nio.fs.WindowsException.translateToIOException(WindowsException.java:83)
	at sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:90)
	at sun.nio.fs.WindowsLinkSupport.getRealPath(WindowsLinkSupport.java:259)
	at sun.nio.fs.WindowsPath.toRealPath(WindowsPath.java:836)
	at sun.nio.fs.WindowsPath.toRealPath(WindowsPath.java:44)
	at com.sun.nio.zipfs.ZipFileSystemProvider.newFileSystem(ZipFileSystemProvider.java:111)
	at java.nio.file.FileSystems.newFileSystem(FileSystems.java:326)
	at java.nio.file.FileSystems.newFileSystem(FileSystems.java:276)
	at aku.b(SourceFile:77)
	at aku.a(SourceFile:55)
	at ni.c(SourceFile:485)
	at bib.<init>(SourceFile:394)
	at net.minecraft.client.main.Main.main(SourceFile:123)
Couldn't get a list of all built-in advancement files
java.nio.file.AccessDeniedException: C:\Users\Graham\AppData\Roaming\.minecraft\versions\1.12.1\1.12.1.jar
	at sun.nio.fs.WindowsException.translateToIOException(WindowsException.java:83)
	at sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:90)
	at sun.nio.fs.WindowsLinkSupport.getRealPath(WindowsLinkSupport.java:259)
	at sun.nio.fs.WindowsPath.toRealPath(WindowsPath.java:836)
	at sun.nio.fs.WindowsPath.toRealPath(WindowsPath.java:44)
	at com.sun.nio.zipfs.ZipFileSystemProvider.newFileSystem(ZipFileSystemProvider.java:111)
	at java.nio.file.FileSystems.newFileSystem(FileSystems.java:326)
	at java.nio.file.FileSystems.newFileSystem(FileSystems.java:276)
	at ns.a(SourceFile:133)
	at ns.a(SourceFile:73)
	at ns.<init>(SourceFile:66)
	at oo.b(SourceFile:163)
	at chd.a(SourceFile:98)
	at chd.j(SourceFile:130)
	at net.minecraft.server.MinecraftServer.run(SourceFile:434)
	at java.lang.Thread.run(Thread.java:745)