Robot Assets Corrupted/Not Loading (Primvar 'st' Error) & Performance on RTX 3050 Ti Laptop

[MRKOL83]

Hi everyone,

I’m new to Isaac Lab and I’m running into a couple of issues on my Windows laptop. I’d appreciate any guidance you can offer.

Main Problems:

Robot Not Loading (Asset Corruption): When I try to run a reinforcement learning task (Isaac-Velocity-Rough-Anymal-C-v0), the ANYmal robot is no longer appearing in the simulation. This started happening recently, even before I attempted to change any simulation parameters like dt. I see the following key warnings in the console:
[Warning] [omni.hydra.scene_delegate.plugin] Calling getBypassRenderSkelMeshProcessing for prim /World/envs/env_0/Robot/LF_FOOT/visuals.proto_mesh_0_id0 that has not been populated
[Warning] [omni.hydra] Mesh '/World/envs/env_0/Robot/base/visuals.proto_mesh_0_id0' has corrupted data in primvar 'st': buffer size 702 doesn't match expected size 12828 in faceVarying primvars It seems the robot’s 3D model data is corrupted.
Performance Issues (Lagginess): Before the robot stopped appearing, the simulation was extremely laggy, even when running with --num_envs=1 . I understand my hardware might be a limiting factor, but I want to confirm.
My System Specifications:

CPU: 12th Gen Intel Core i7-12700H
GPU: NVIDIA GeForce RTX 3050 Ti Laptop GPU
System RAM: 8GB
OS: Windows
Isaac Lab Version: 4.5.0
My Questions:

What is the definitive way to resolve the “corrupted data in primvar ‘st’” error and get the ANYmal robot asset to load correctly again?
Are there any other critical setup steps or performance tuning tips for low-to-mid-range hardware like mine that I might have missed?
Could the asset corruption be related to the performance issues or my hardware limitations (e.g., running out of VRAM/RAM causing issues)?
Any help or pointers would be greatly appreciated!

Thanks,