Adobe Premiere doesn't support FLV files by default and Adobe Media Encoder only supports FLV files using certain codes. By converting the video with VLC from an FLV to an MP4 you can import it into Adobe Premiere Pro CC 2018.
Written instructions and VLC Download link: https://syntaxbytetutorials.com/how-t...
On this page of the site you can watch the video online Import FLV File Into Adobe Premiere Pro Creative Cloud with a duration of hours minute second in good quality, which was uploaded by the user SyntaxByte 18 January 2018, share the link with friends and acquaintances, this video has already been watched 46,835 times on youtube and it was liked by 795 viewers. Enjoy your viewing!