Preview DNG files in Finder Mac

Hi!

I have a problem with converting photos to DNG.

When I do it the pictures get a purple color when viewing them outside Lightroom in Preview Finder on Mac.

See images with example of photo as Cr2 and after conversion to DNG.

https://ibb.co/izWRAd

https://ibb.co/d5XYqd

Not sure if this is a Apple or Adobe problem?

Anyone seen this before and have a solution?

If i go back to my photos that I converted to DNG a couple of months ago these does not have the purple overcast so it's a new problem for me.

Hope anyone can help.

Kind regards,

Anders