Just a random crash glitch. Here are the details:

– System Details –
Details:
Minecraft Version: 17w14a
Operating System: Mac OS X (x86_64) version 10.12.3
Java Version: 1.8.0_74, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 147058040 bytes (140 MB) / 237670400 bytes (226 MB) up to 2134114304 bytes (2035 MB)
JVM Flags: 5 total; -Xmx2G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Launched Version: 17w14a
LWJGL: 2.9.2
OpenGL: Intel HD Graphics 5000 OpenGL Engine GL version 2.1 INTEL-10.22.29, Intel Inc.
GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because ARB_framebuffer_object is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

Using VBOs: Yes
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs: My Tweaks (incompatible)
Current Language: English (Australia)
Profiler Position: N/A (disabled)
CPU: 4x Intel(R) Core(TM) i5-4260U CPU @ 1.40GHz
#@Unable to render embedded object: File (@# Game crashed) not found. Crash report saved to: #@!@# /Users/Username*/Library/Application Support/minecraft/crash-reports/crash-2017-04-09_07.48.33-client.txt

*didn't want to show my name