[16:17:24] [Client thread/FATAL]: Error executing task
java.util.concurrent.ExecutionException: java.lang.NullPointerException
at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_60]
at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_60]
at g.a(SourceFile:45) [1.8.9.jar:?]
at ave.av(SourceFile:881) [1.8.9.jar:?]
at ave.a(SourceFile:325) [1.8.9.jar:?]
at net.minecraft.client.main.Main.main(SourceFile:124) [1.8.9.jar:?]
Caused by: java.lang.NullPointerException
at bcy.a(SourceFile:301) ~[1.8.9.jar:?]
at fp.a(SourceFile:75) ~[1.8.9.jar:?]
at fp.a(SourceFile:16) ~[1.8.9.jar:?]
at fh$1.run(SourceFile:13) ~[1.8.9.jar:?]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_60]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_60]
at g.a(SourceFile:44) ~[1.8.9.jar:?]
[16:17:24] [Client thread/FATAL]: Error executing task
java.util.concurrent.ExecutionException: java.lang.NullPointerException
at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_60]
at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_60]
at g.a(SourceFile:45) [1.8.9.jar:?]
at ave.av(SourceFile:881) [1.8.9.jar:?]
at ave.a(SourceFile:325) [1.8.9.jar:?]
at net.minecraft.client.main.Main.main(SourceFile:124) [1.8.9.jar:?]
Caused by: java.lang.NullPointerException
at bcy.a(SourceFile:301) ~[1.8.9.jar:?]
at fp.a(SourceFile:75) ~[1.8.9.jar:?]
at fp.a(SourceFile:16) ~[1.8.9.jar:?]
at fh$1.run(SourceFile:13) ~[1.8.9.jar:?]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_60]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_60]
at g.a(SourceFile:44) ~[1.8.9.jar:?]
A concurrent task failed executing a task because of a NullPointerException at line 124 inside of net.minecraft.client.Main and inside of method main.