# Getting started problems simulation **URL:** \ **Category:** English Forum\ **Created:** [September 24, 2020, 1:10pm UTC](https://community.openems.io/t/getting-started-problems-simulation/296 "2020-09-24T13:10:42Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![stefan.feilmeier](https://community.openems.io/user_avatar/community.openems.io/stefan.feilmeier/32/2585_2.png) [@stefan.feilmeier](https://community.openems.io/u/stefan.feilmeier)\ **Post date:** [September 24, 2020, 2:59pm UTC](https://community.openems.io/t/getting-started-problems-simulation/296/2 "2020-09-24T14:59:53Z")
Hi Frank, thanks for getting in touch and sorry for the trouble. I have never seen these specific error messages and could not find immediate help in a quick google search. Usually those initial build errors can be solved by following the steps listed here - but I doubt it will help in this case. > [@Build in Eclipse fails with many errors](https://community.openems.io/t/build-in-eclipse-fails-with-many-errors/263/2): > > Hi, yes… this can happen from time to time. Most likely Eclipse did not recognize latest file changes. Here are some tips to get rid of build errors in Eclipse: Select all bundles in “Bndtools Explorer” (Ctrl + A) and press F5 to refresh them. This helps, if Eclipse did not recognize no files in existing bundles. Open File → Import in the menu and select Bndtools → Existing Bnd Workspace to reimport all bundles This helps, if there were new bundles added in the meantime. Those are not … If you just want to have a first look at what you can expect from OpenEMS Edge + Backend + UI, we just added support for Gitpod, which builds an entire demo of all components in your browser and lets you play with it. For now you can use this link to try the ‘develop’ branch: > **[Dashboard](https://gitpod.io/#https://github.com/OpenEMS/openems/tree/develop)** (Support for Gitpod with master branch is going to come with the latest release later today.) Regards, Stefan --- _[View the full topic](https://community.openems.io/t/getting-started-problems-simulation/296)._