Hi, @hungnt ,
From the official document, we can see the tips below.
The native BASS libraries are NOT included and need to be downloaded seperately - so make sure to place the BASS library and the needed add-on libraries to your project executable directory (e.g. place the bass.dll to your .\bin\Debug folder).
So please check the libraries in your \bin\Debug folder while running on debug mode.
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Best Regards,
Michael Wang