Common errors and how to fix them

• Code I have written in a script isn't executing.
• ERROR:GAMEOBJECT: The collection 'xxx' could not be created since there is already a socket with the same name.
• Installing Defold on a school network.
• Keyboard inputs are not detected when multiple keys are pressed at the same time
• Run-time error: java.net.SocketTimeoutException: connect timed out.
• Sprites are sliding down the screen or bouncing off each other.
• Sprites are spawning from a factory in the wrong place.
• Sprites have extra pixels when rendering.