After a hard day of flying. Check your equipment. Stronger winds may have a tendency to stretch or break the stitches along the vents in the leading edge. These are easy to re-sew. Small tears in the body sail can be fixed with ripstop repair tape.
Crowns can be touchy but they are also extremely gratifying to fly and major attention getters.
Using proper anchor, launch, and retreival procedures, almost any adult can handle one of these large pieces. You just need to practice and experiement.