It seems like setContentDescription is called because of description field in edit dialog and causes crash because of NullReference (which occurs when playlist description is not set)
Steps to reproduce
Go to your profile tab
Try to edit playlist which have no description set
Relevant log output
FATAL EXCEPTION: main
Process: com.google.android.youtube, PID: 28712
java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference
at app.revanced.integrations.youtube.patches.player.PlayerPatch.setContentDescription(PlayerPatch.java:84)
at znn.K(PG:77)
at znn.v(PG:10)
at znn.b(PG:543)
at zmy.I(PG:2014)
at zmy.d(PG:33)
at aclx.eV(PG:38)
at zma.a(PG:631)
at azsw.vX(PG:8)
at baia.vS(PG:24)
at bajt.vS(PG:30)
at bagx.d(PG:81)
at bagw.vS(PG:44)
at balb.run(PG:19)
at bajp.e(PG:11)
at azpo.aL(PG:13)
at bagy.e(PG:88)
at azpo.aL(PG:13)
at baju.e(PG:10)
at azpo.aL(PG:13)
at baib.M(PG:26)
at azpz.L(PG:13)
at azpz.J(PG:6)
at azpz.I(PG:3)
at yuw.call(PG:391)
at xbr.vS(PG:15)
at bahr.vS(PG:35)
at bajt.vS(PG:30)
at bahg.e(PG:22)
at wsg.a(PG:276)
at xbs.oa(PG:5)
at bmh.a(PG:49)
at dpi.c(PG:17)
at bmy.b(PG:121)
at wly.run(PG:388)
at vcw.ay(PG:7)
at gfp.a(PG:134)
at bahi.e(PG:11)
at azpo.aL(PG:13)
at baju.e(PG:10)
at azpo.aL(PG:13)
at bahs.e(PG:10)
at azpo.aL(PG:13)
at vcw.cL(PG:10)
at vcw.az(PG:3)
at zot.b(PG:96)
at ztq.h(PG:260)
at ztq.g(PG:61)
at yaz.run(PG:206)
at xkn.e(PG:50)
at xkn.b(PG:19)
at ztq.c(PG:47)
at ztl.c(PG:14)
at abvz.c(PG:423)
at ahqa.aM(PG:275)
at ahqa.onItemClick(PG:27)
at android.widget.AdapterView.performItemClick(AdapterView.java:330)
at android.widget.AbsListView.performItemClick(AbsListView.java:1257)
at android.widget.AbsListView$PerformClick.run(AbsListView.java:3270)
at android.widget.AbsListView$3.run(AbsListView.java:4236)
at android.os.Handler.handleCallback(Handler.java:942)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loopOnce(Looper.java:201)
at android.os.Looper.loop(Looper.java:288)
at android.app.ActivityThread.main(ActivityThread.java:7924)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:936)