I should have asked previously - exactly which Syntronik products are installed? IS it only Syntronik 2 MAX?
Also:
--the Syntronik (1) library should be installed into the SampleTank 3 library folder, not into the SampleTank 4 library.
-- the Syntronik 2 library should be installed into its own folder, not into the SampleTank 4 library.
Have a look at the file extensions for those Syntronik duplicate presets. If they are .st3i then they should be in sub-folders in a SampleTank 3 library. If they are .st4i then they should be in sub-folders in a Syntronik 2 library.
Here are screenshots of "Bully" in Syntronik and Syntronik 2 CS here. The library folder is encircled in orange.
I hesitate to post further suggestions as i do not know exactly how you installed things and where you installed them. The best thing to do is
Search the FAQs first, via here. If they do not resolve the issue, there is a
red button link to the Technical Support form, for some one to one investigation and help. Provide as much detail as you can. Response time aims to be within 2 working days (US (East Coast) Business hours, generally), but in the current circumstances please allow some more time.
And, to help others who run into a similar problem, please let us know what you did to resolve the problem. Please do not quote directly any correspondence from Support, as that may apply only to your particular circumstances and may lead others down the wrong track