HI, I am using Premiere Pro CC 2018 I have mapped out my keyboard. I assigned the Left & Right Arrows to move up or down one frame at a time. I have also mapped keys so I can go to next cut and previous cut. Sometimes When I press the arrows to move one frame back or forward on the timeline, it does not work. Yet, when I try to do the same thing on a clip in the source monitor with the same keys, it works fine. Why does this happen? The only way I can get it to work on the timeline again, is to Quit Premiere and re-open it again. Then after a while it does not work again. How can I fix it? Thanks in advance
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