Can't use any functions of UMovieSceneSequenceExtensions in c++

Development Programming & Scripting C++
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3

Hello I am facing the same issue, let me show you my files:

headerfile
headerfile1429×472 69.5 KB

Buildfile
Buildfile1199×397 56 KB

CPPFile
CPPFile1583×387 68.9 KB

ErrorMessages
ErrorMessages2046×226 34.1 KB