My PC with Davinch17.2 can not import Sony Fx3 file. File is Kind: MPEG-4 movie. Does anybody know why? Thank you. My computer is: macOS Big Sur 11.4 Beta(20F5065a) MacBook Air (Retina, 13-incch,2020), Processor 1.2GHz Quad-Core Intel Core i7. ,Memory 16GB 3733MHz DDR4X, Graphics Intel Iris Plus Graphics 1536 MB