Constant Outside of Image Bounds Log Spam

The console is constantly filled with the following message when in the game (server and single player, any dimension):

https://gist.github.com/cjburkey01/d524ad83a32fc30fd5166ee436917096

[21:48:04] [Client thread/ERROR]: Couldn't render entity 
h: Registering texture 
at dha.a(SourceFile:76) ~[minecraft-18w43b-client.jar:?] 
at dcm.a(SourceFile:28) ~[minecraft-18w43b-client.jar:?] 
at dcm.a(SourceFile:13) ~[minecraft-18w43b-client.jar:?] 
at dcb.d(SourceFile:90) ~[minecraft-18w43b-client.jar:?] 
at dcy.a(SourceFile:225) ~[minecraft-18w43b-client.jar:?] 
at dcy.a(SourceFile:166) [minecraft-18w43b-client.jar:?] 
at ddd.a(SourceFile:41) [minecraft-18w43b-client.jar:?] 
at ddd.a(SourceFile:16) [minecraft-18w43b-client.jar:?] 
at dca.a(SourceFile:390) [minecraft-18w43b-client.jar:?] 
at dca.a(SourceFile:377) [minecraft-18w43b-client.jar:?] 
at cxt.a(SourceFile:639) [minecraft-18w43b-client.jar:?] 
at cxp.b(SourceFile:971) [minecraft-18w43b-client.jar:?] 
at cxp.a(SourceFile:878) [minecraft-18w43b-client.jar:?] 
at cxp.a(SourceFile:752) [minecraft-18w43b-client.jar:?] 
at cjj.c(SourceFile:817) [minecraft-18w43b-client.jar:?] 
at cjj.a(SourceFile:380) [minecraft-18w43b-client.jar:?] 
at net.minecraft.client.main.Main.main(SourceFile:144) [minecraft-18w43b-client.jar:?] 
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_192] 
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_192] 
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_192] 
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_192] 
at org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:196) [NewLaunch.jar:?] 
at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:231) [NewLaunch.jar:?] 
at org.multimc.EntryPoint.listen(EntryPoint.java:143) [NewLaunch.jar:?] 
at org.multimc.EntryPoint.main(EntryPoint.java:34) [NewLaunch.jar:?] 
Caused by: java.lang.IllegalArgumentException: (65, 0) outside of image bounds (64, 64) 
at dgl.a(SourceFile:177) ~[minecraft-18w43b-client.jar:?] 
at dgl.b(SourceFile:253) ~[minecraft-18w43b-client.jar:?] 
at dgs.a(SourceFile:50) ~[minecraft-18w43b-client.jar:?] 
at dha.a(SourceFile:60) ~[minecraft-18w43b-client.jar:?] 
... 24 more 
[21:48:04] [Client thread/ERROR]: Couldn't render entity 
h: Registering texture 
at dha.a(SourceFile:76) ~[minecraft-18w43b-client.jar:?] 
at dcm.a(SourceFile:28) ~[minecraft-18w43b-client.jar:?] 
at dcm.a(SourceFile:13) ~[minecraft-18w43b-client.jar:?] 
at dcb.d(SourceFile:90) ~[minecraft-18w43b-client.jar:?] 
at dcy.a(SourceFile:225) ~[minecraft-18w43b-client.jar:?] 
at dcy.a(SourceFile:166) [minecraft-18w43b-client.jar:?] 
at ddd.a(SourceFile:41) [minecraft-18w43b-client.jar:?] 
at ddd.a(SourceFile:16) [minecraft-18w43b-client.jar:?] 
at dca.a(SourceFile:390) [minecraft-18w43b-client.jar:?] 
at dca.a(SourceFile:377) [minecraft-18w43b-client.jar:?] 
at cxt.a(SourceFile:639) [minecraft-18w43b-client.jar:?] 
at cxp.b(SourceFile:971) [minecraft-18w43b-client.jar:?] 
at cxp.a(SourceFile:878) [minecraft-18w43b-client.jar:?] 
at cxp.a(SourceFile:752) [minecraft-18w43b-client.jar:?] 
at cjj.c(SourceFile:817) [minecraft-18w43b-client.jar:?] 
at cjj.a(SourceFile:380) [minecraft-18w43b-client.jar:?] 
at net.minecraft.client.main.Main.main(SourceFile:144) [minecraft-18w43b-client.jar:?] 
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_192] 
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_192] 
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_192] 
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_192] 
at org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:196) [NewLaunch.jar:?] 
at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:231) [NewLaunch.jar:?] 
at org.multimc.EntryPoint.listen(EntryPoint.java:143) [NewLaunch.jar:?] 
at org.multimc.EntryPoint.main(EntryPoint.java:34) [NewLaunch.jar:?] 
Caused by: java.lang.IllegalArgumentException: (65, 0) outside of image bounds (64, 64) 
at dgl.a(SourceFile:177) ~[minecraft-18w43b-client.jar:?] 
at dgl.b(SourceFile:253) ~[minecraft-18w43b-client.jar:?] 
at dgs.a(SourceFile:50) ~[minecraft-18w43b-client.jar:?] 
at dha.a(SourceFile:60) ~[minecraft-18w43b-client.jar:?] 
... 24 more

Sorry if I missed some information, I'm happy to supply more.