> For the complete documentation index, see [llms.txt](https://enappd.gitbook.io/ionic-4-carpool-app-starter/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://enappd.gitbook.io/ionic-4-carpool-app-starter/extra/troubleshooting.md).

# Troubleshooting

{% hint style="success" %}
***Remember to enter your own GOOGLE API KEY in the source code in the place of YOUR\_API\_KEY. Without this api key, many functionalities might not work, especially maps. Check the*** [***docs***](https://developers.google.com/maps/documentation/javascript/get-api-key) ***for more info***
{% endhint %}

Refer this [troubleshooting guide](https://medium.com/r/?url=https%3A%2F%2Fionicframework.com%2Fdocs%2Ffaq%2Fglossary) from Ionic framework docs to solve some common issues.