So I am just walking through rohan or whatever and I get this error

An exception has been thrown!

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Details:
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Error#20
Function: nProtect detect hack
Description: Gameguard errorHack process Name:

There are some numbers at the end of name I am not sure if they are important or not just being safe. I am not sure if this hack suggests that I am hacking or not but it has now happened 3 times in a row while I am just running around. I don't hack I just want to play the game though and it is not working.