---
title: "Install and Use Isaac Sim and Isaac Lab — Troubleshooting"
canonical: "https://build.nvidia.com/spark/isaac/troubleshooting.md"
---

# Common Issues for Isaac Sim

| Symptom                     | Cause                    | Fix                               |
|-----------------------------|--------------------------|-----------------------------------|
| Isaac Sim error compilation | gcc/g++ 11 is not by default | Be sure that gcc/g++ 11 is by default |
| Isaac Sim not executes      | Error libgomp.so.1       | Add export LD_PRELOAD             |
| Error in build              | old installation         | Remove .cache folder              |

# Common Issues for Isaac Lab
| Symptom                          | Cause | Fix |
|----------------------------------|--------|-----|
| Isaac Lab not executes           | Error libgomp.so.1       | Add export LD_PRELOAD     |