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Error when solving with one electrical current

Error when solving with one electrical current

Error when solving with one electrical current

(OP)
Hello,

I'm a bit new to Ansys and trying to solve a simple electrical tutorial I saw on the link:
https://www.youtube.com/watch?v=7dvRfGwmUC0

The tutorial describes how to solve a simple cylindrical copper current lead with 100 A. The problem is that when I try to do the same thing I get the following error:
An internal solution magnitude limit was exceeded. Please check your Environment for inappropriate load values or insufficient supports. Also check that your mesh has more than 1 element in at least 2 directions if solid brick elements are present. Please see the Troubleshooting section of the Help System for more information.

I thought it may be because in the video, they only apply the current to one direction. When I applied the current to both directions (one with 180deg phase) it solved it. But, then again, how did it solved it in the video? I'm afraid that my solution isn't true because of the 2 applied currents.

Any advice?

Edit: I attached a pic of my workspace
http://files.engineering.com/getfile.aspx?folder=0...

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