That sounds like the libraries are not all installed in the apporpriate locations. There should be no need to Import the MP2 library.
Other users may chip in with suggestions.
Meanwhile, as this is not a company Support forum, the best thing to do is contact Technical Support via the IKM web site, for some one to one diagnosis and help. Search the FAQs first, as there may be relevant results. After that, you should see a
[Contact Support] button at the bottom of the page, linking you to the Support form.
You will need to let them know, what libraries you have and exactly where they are installed. This FAQ may help:
https://www.ikmultimedia.com/faq/index.php?id=1239