Thank you for your reply.
I need further help as I miss the point.
During year 2022/2023 I had a loss of about £ 7,000 and I had not any capital gain. You wrote capital losses must be used in the year they arise before being classed as unused to carry forward. The attached link to your reply is too complicate and I try to keep simple this issue. In other words, should I report my lost in the 2022/2023 self-assessment in order to be classed and as unused to carry forward?
Please, let me know.