In most cases, an error message means that you forgot to fill in a field. You will be able to tell by the error message in the lower right corner of your screen.
The fields you forgot to fill in will be highlighted in red, like the field in the image below.
Are you getting another error message, like the one below?
In this case you should read closely what the error is. You'll find a clear indication of what is wrong on your screen. These are (generally) shown in red.
Do you get another error message that you cannot solve yourself?
Click on the question mark in the left top of your screen.
Now click the button "I've got questions".
You will end up in the "Questions" cube. Here you will find a list of all cubes. Click on one of the cubes from the list to get more information about it.
Cannot immediately find what you need? Click on the search bar at the top to a enter keyword.
Still cannot solve your problem? Click in the blue bar "Contact us".
Under the heading "What" in the drop-down men you can select why you would like to contact us.
In the edit box below it you can report your problem.
Now click the button "Send".
Your question has been sent to us. In a message, you will receive a copy of your question. We will try to answer your question as quickly as possible.