# Exercise 4.3 import Age module error

**URL:** <https://get-help.theconstruct.ai/t/exercise-4-3-import-age-module-error/6310>\
**Category:** ROS Basics In 5 Days (Python)\
**Created:** [November 15, 2020, 1:38am UTC](https://get-help.theconstruct.ai/t/exercise-4-3-import-age-module-error/6310 "2020-11-15T01:38:26Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![roalgoal](https://get-help.theconstruct.ai/user_avatar/get-help.theconstruct.ai/roalgoal/32/7280_2.png) [@roalgoal](https://get-help.theconstruct.ai/u/roalgoal)\
**Post date:** [November 16, 2020, 8:21am UTC](https://get-help.theconstruct.ai/t/exercise-4-3-import-age-module-error/6310/2 "2020-11-16T08:21:41Z")

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Try deleting your build/ and devel/ folders:

```
cd catkin_ws/
rm -rf build/
rm -rf devel/

```

If that doesn’t work, can you share what the error says? It sounds like something might be off with the node.

Rodrigo

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