Looks like you marked an In and Out on that clip which is what the X Key does.
Clear the In and Out by hitting ALT-X or go under the Markers Menu and Clear the In and Out.
\”MY MEDIA/PROJECT MOTTO: If you think three copies of your Media or Projects are enough. Take a moment to place a value on them and then maybe add two more.
Hard Drives are now stupidly cheap. A RE-SHOOT AND YOUR TIME AREN\’T.\”