This kind of streaky light is usually flare caused by something on the lens path, most commonly a dirty lens, oily smudge, or residue on a filter. Check and clean the front element, both sides of any filter, and the rear element carefully with a lint-free cloth; if needed, use proper lens-cleaning fluid. Then retake the photo.

If the streak is already in the image, there usually isn’t a simple in-camera fix. You’d need retouching/editing software to reduce or remove the bright streak, and results may vary.

So the practical solution is:

1. Clean the lens and any attached filter.
2. Check for grease/oil or fingerprints.
3. Retake the shot.
4. Use photo editing only if you can’t reshoot.

Prevention is much easier than repair for this type of flare.