Build App Error

[gordonlu310]

We cannot read your mind! Please elaborate more on the issue.

How to ask a question (open new topic)

Before you ask a question / open a new topic please take care of the following points: The forum was previously searched for similar topics / issues. Give a precise (detailed) description of the issue / bug, the goal. Show the (relevant) blocks (images, screenshots of blocks in high quality). Debug your blocks (connect to Companion and right mouse click: → Do it). Name the Android / iOS version running on your (test) device. Do not open multiple threads on the same topic. If you haven't al…

Here are some ideas of what caused the error.

• bad connectivity.
• the App Inventor server is busy, so please wait.
• errors/warnings/unfinished sockets in your code.
• ...