# I can´t build my app and delete a file please some one help before do upgrade to PRO **URL:** \ **Category:** Questions about Thunkable X\ **Created:** [March 19, 2019, 1:34pm UTC](https://community.thunkable.com/t/i-can-t-build-my-app-and-delete-a-file-please-some-one-help-before-do-upgrade-to-pro/72937 "2019-03-19T13:34:33Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![Cian\_O\_Sullivan](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/cian_o_sullivan/32/34494_2.png) [@Cian\_O\_Sullivan](https://community.thunkable.com/u/Cian_O_Sullivan)\ **Post date:** [March 19, 2019, 1:45pm UTC](https://community.thunkable.com/t/i-can-t-build-my-app-and-delete-a-file-please-some-one-help-before-do-upgrade-to-pro/72937/2 "2019-03-19T13:45:39Z")
Please provide more details. Check here for guidance on how to ask a great question. > [@How to ask Great Questions](http://community.thunkable.com/t/how-to-ask-great-questions/1286): > > Here are a few things to consider before you create a new topic in the forum. Before you Ask Do a search of the forum to see if your question has already been asked. Check the [Thunkable Documentation](http://thunkable.com/explore/) to see if there’s an example you can use. Have you watched the [beginner tutorial videos](https://www.youtube.com/watch?v=hZ7z3t-98O0&list=PLB89L9PPGIrxmB3GZXaxjK3Pq2Crqp14A) on YouTube? Make sure you have a really descriptive topic title for your post. Creating A Helpful Topic Title Avoid using titles like, “my app is broken” or “HELP ME!!1!”, instead try to briefly describe the … --- _[View the full topic](https://community.thunkable.com/t/i-can-t-build-my-app-and-delete-a-file-please-some-one-help-before-do-upgrade-to-pro/72937)._