# Mastering Gazebo Simulator

**URL:** https://get-help.theconstruct.ai/c/course-support/mastergazebosim/83.md?page=1

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## [Can't save new rviz config with robot model](https://get-help.theconstruct.ai/t/cant-save-new-rviz-config-with-robot-model/18542)

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**Author:** [@erbrauch](https://get-help.theconstruct.ai/u/erbrauch)\
**Replies:** 1\
**Last updated:** [August 3, 2022, 11:19am UTC](https://get-help.theconstruct.ai/t/cant-save-new-rviz-config-with-robot-model/18542 "2022-08-03T11:19:39Z")

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Hello again! I am currently on unit 2 of this course and it seems that the VM won’t let me save the new config for rviz in the default location and can only save .rviz files in my user folder. This wouldn’t be an issue h…

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## [No files in the code interface](https://get-help.theconstruct.ai/t/no-files-in-the-code-interface/18344)

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**Author:** [@xinyi.l.0310](https://get-help.theconstruct.ai/u/xinyi.l.0310)\
**Replies:** 2\
**Last updated:** [July 22, 2022, 10:08am UTC](https://get-help.theconstruct.ai/t/no-files-in-the-code-interface/18344 "2022-07-22T10:08:23Z")

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All the files I build before part 3 disappeared.

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