Pose stack not empty crash when rendering player operating Create Big Cannons cannon

[mogutofu]

Versions
Minecraft: 1.21.1
NeoForge: 21.1.241
Yes Steve Model: 2.6.5
Create Big Cannons: 5.11.7
Bug Description
Client crashes with java.lang.IllegalStateException: Pose stack not empty at LevelRenderer.checkPoseStack during world rendering.
Reproduction Steps
Player A operates a autocannon from the Create Big Cannons (CBC) mod.
Player B nearby views Player A from a third-person perspective.
Player B's client crashes instantly.
The player operating the cannon (first-person view) does NOT crash. Only surrounding players viewing the operator's player model trigger the crash.

crash-2026-08-07_19.55.35-client.txt

minecraft-exported-logs-2026-08-07T19-58-16.txt

[ken1882]

+1 to this