I need help, I do not know what is this...

Any hacking mod, except for tiara mods work. other one don't know...
it say some kind of error where it stop my mabinogi.exe to run

I don't know is that have to do with .net framework...

I really need that help to understand what is that means, cause lot of my mods have the same error

Read the guides on the site. If you can't do that then get out of here.