"users/shared/IKmultimedia/sampletank4" is not exactly the same as the path in your first screenshot. Is that just a typo?
If so, it seems that it OK and ST4 should work. I cannot currently think of any reason why not.
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As this is primarily a user to user forum, someone-else may chime in [#]. Meanwhile, the best thing to do is raise a
Support Ticket, here for some one to one investigation and help. Response time is usually within 2 working days (US (East Coast) Business hours, generally), but in the current circumstances please allow some more time.
[#] But please remember that the same symptoms do not necessarily mean the same problem.
And, to help others who run into a similar problem, please let us know what you did to resolve the problem.