# 9. Troubleshooting
If you know what should be written here, please write it! [How to contribute.](https://github.com/becarpenter/book6/blob/main/1.%20Introduction%20and%20Foreword/How%20to%20contribute.md#how-to-contribute)
## [Advanced Troubleshooting](Advanced%20Troubleshooting.md)
## [Tools](Tools.md)
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