Get reoccurring Reputation hit on Theme.Skin file and unable to approve/ignore making it a nuisance

I keep getting a low reputation app hit on file called "Theme.skin" which I am unable to clear.

If I hit Delete, Sophos says it cannot delete it and flags it again, regardless of whether in the Scanner page of Sophos app or the pop-up from periodic scan.

If I hit Continue when it occurs on periodic scan, it gets flagged again. There is never an Ignore/Allow option provided, such as for some other false positive apps I have which were flagged.

It is located in /storage/emulated/0/Android/data/com.hawk.clean.spaceplus/cache/skin.

Short of dumping Sophos altogether and going to different protection app, is there anything which can be done to stop this nagging.

Thanks,

Del