UFT One 2023 unable to load the 64 bit DLLs

UFT One 2023 Automated Functional Regression Testing Tool unable to recognized 64 bit DLLs through  DOTNetFactory.CreateInstance(ClassName,Path to 64 bit Dlls) in order to access the API methods and throw off the message

"Could not load file or assembly file : name of Dll or one of its dependencies.An attempt was made to load a program with an incorrect format"

Please suggest how to fix  it