"shared library 'RSQLite' not found" when loading RSQLite in Portable-R

As title, I have no idea why I receive this error message when I am t开发者_开发百科rying to use the RSQLite Library by library(RSQLite), suggestions?

Thanks!

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solved, the RSQLite.dll file is stored inside the i386 folder inside the libs folder, causing this problem, just move the dll file out of the i386 folder will do