Add info about troubleshooting to the readme

Author: Richard Ockerby

examples/README.md

@@ -10,4 +10,8 @@ You will see a new section for `UI Examples` which contains the work from the `O
 
 Both projects will automatically compile and bring the assets into the example sites when building.
 
-**Quicker dev in v15** can be acheived by opening the `Our.Umbraco.UiExamples.v15` in the command line/terminal and running the `npm run dev` command (make sure to either build or run `npm ci` first to install node dependencies).
+**Quicker dev in v15** can be acheived by opening the `Our.Umbraco.UiExamples.v15` in the command line/terminal and running the `npm run dev` command (make sure to either build or run `npm ci` first to install node dependencies).
+
+## Troubleshooting
+
+If you receive errors about node commands during build, make sure that you have the correct version of node installed (22.12.0 at the time of writing). You can also try running the command that outputs directly in the command line/terminal to get a more verbose reason.